The Demarest Nature Center Association

Canoe Day, Birdhouses/Birdfeeder Building, Earth Day/Arbor Day

May 10, 2025

Event Details

Community Trail Walk

May 3, 2025

 

Click here to read our latest Winter 2025 newsletter!

 “We don’t stop hiking because we grow old,
we grow old because we stop hiking.

~Finis Mitchell

Keep an eye out for this magnificent tree
that is often overlooked but full of beauty and utility

~ Jeff Shaari

 “We don’t stop hiking because we grow old,
we grow old because we stop hiking.

~Finis Mitchell

Welcome To The Demarest Nature Center

The Demarest Nature Center is located in Demarest, NJ, USA, and is open to all persons, residents and non-residents alike, every day of the year. In addition to preserving and protecting important open space here in the midst of a large metropolitan area, the center seeks to educate young and old alike as to the beauty of nature and the importance of protecting our environment.

We, the trustees of the Demarest Nature Center Association, encourage you to use this site to find out more about the Demarest Nature Center and its programs. Click on the topic of your choice and find out more. The links will tell you about the Center, introduce you to our events and endeavors, and also take you to other nearby nature centers, as well as environmental organizations, National Parks, and suggestions for things to do. The site is constantly growing and being updated, so we hope you will come back again and again.

Nature News

Angling for answers, this saltwater fishing group boosts research for better conservation

Saltwater fishing is both big business and a pastime in the U.S., with millions of Americans working in the industry – from commercial trawlers to professional fishing guides and gear more

Down on the ranch with Mafia Island’s free-range sea cucumbers

MAFIA ISLAND, Tanzania — His white beard streaming in the turquoise waters, Waziri Mpogo dives under the surface a few hundred meters offshore of a palm-lined beach. Holding his breath, more

‘We can’t talk solutions without understanding complexities: Kari Guajajara on Brazil’s Amazon

This is the last of three interviews with Indigenous representatives at the United Nations about the latest issues in their country’s Amazon forests. Read the interview about the Peruvian Amazon more

Singapore study says roadside flowers can improve urban butterfly biodiversity

Narrow strips of flowering plants along road edges can support high butterfly diversity, a recent study from Singapore has found. In late 2023, researchers surveyed 101 road verges — strips more

To the new environment minister, Murray Watt: it’s time to get reforms right | Lyndon Schneiders

Long-term reform is not going to be easy, but we have now wasted 15 years and everyone has lost, especially the natural worldGet Guardian Australia environment editor Adam Morton’s Clear more

A rare jaguar rewilding story highlights obstacles to the big cat’s conservation in Brazil

In the space of six months, Xamã the jaguar had crisscrossed more than 14,000 hectares of the Amazon Rainforest, or about 35,000 acres — an area a tenth the size more

Closure of post-Brexit subsidies wrongly blocked 3,000 English farmers from funding

Sustainable farming initiative is part of payment package that replaced EU’s common agricultural policyUK politics live – latest updatesMinisters wrongly refused nature funding to 3,000 farmers in England when they more

As renewable diesel surges, sustainability claims are deeply questioned

Renewable diesel is a biofuel made from vegetable oils and animal fats touted by proponents as an almost miraculous “drop-in” transition fuel able to drastically cut greenhouse gas emissions while more

UK windfall tax can fund switch to green jobs for North Sea oil workers – report

Exclusive: Campaigners call for energy profits levy to be made permanent to enable ‘just transition’ from fossil fuelsMaking permanent the UK’s windfall tax on oil and gas producers would generate more

Trade deal with US could spell end of UK’s bioethanol industry, say bosses

Hundreds of jobs may be at risk, say heads of ABF Sugar and Ensus, as Starmer agrees to remove tariffs on US ethanolBusiness live – latest updatesThe British bioethanol industry more

Maryland and eight other Northeastern states last month released a first-of-its-kind transmission action plan. Experts view it as a direct response to years of frustration with regional grid operators over more

PITTSBURGH, Pa.—In a state where far more people get their drinking water from private companies than the national average, Pittsburgh voters will decide this month whether to ensure their water more

The misleading accounting behind your ‘recycled’ plastic

A convoluted credit system allows companies to label virgin plastic as recycled. Here's how it works. more

Sinkholes and the people who love them

As climate change makes sinkholes more common, more and more people are finding "a love of all things holey." more

Deforestation and illegal evictions threaten Malaysia’s Indigenous peoples

New report says the government ignores local and international laws that protect Indigenous rights. more

Attacks on Cambodian environmental journalist continue to pile up

BANGKOK — Ouk Mao, a Cambodian environmental journalist, was reporting on the continued logging of Prey Lang Wildlife Sanctuary when he was attacked on March 24 by a group of men more

Climate crisis threatens the banana, the world’s most popular fruit, research shows

Fourth most important food crop in peril as Latin America and Caribbean suffer from slow-onset climate disasterThe climate crisis is threatening the future of the world’s most popular fruit, as more

MPs should not accept any murky answers from Thames Water chair on potential sale | Nils Pratley

Sir Adrian Montague’s appearance on Tuesday offers perhaps the last chance to scrutinise utility’s dealingsHurrah, Sir Adrian Montague, the chair of Thames Water, is scheduled to make another of his more

Potential role for Chinese firm in key UK windfarm attracts government scrutiny

Exclusive: Decision on whether to work with turbine maker being overseen by ministers after British Steel rescueMinisters are weighing up proposals for a Chinese company to supply wind turbines for more

Less than 1% of UK biosecurity budget goes on tackling invasive species, figures show

Conservationists call for more funding and warn of danger to ‘cherished’ native species, from water voles to ladybirdsLess than 1% of the government’s biosecurity budget goes on tackling invasive species, more

FEMA is ending door-to-door canvassing in disaster areas

As it shifts responsibility for recovery efforts to local authorities, FEMA workers will stop knocking on doors to provide aid to survivors in disaster areas. more

Want to know how the world really ends? Look to TV show Families Like Ours | John Harris

The Danish drama is piercing in its ordinariness. In the real world, the climate crisis worsens and authoritarians take charge as we calmly look awayThe climate crisis has taken a more

The ultimate spiritual pilgrimage for our times? A trip to a waste management site | Eleanor Margolis

As I stood there, awed by how disgusting and wasteful our species is, I realised that everyone needs to see thisLike all the best things in life, this story starts more

BESSEMER, Ala.—They all came here for peace, and so far, the land has given it to them. For Marshall Killingsworth, the peace comes from the owls whose hoots echo across more

PHILADELPHIA—It was an unseasonably warm spring day, and Jackie Robinson was keen to show off a machine that many climate advocates say is the cooling technology of the future. “Welcome more

After Blair’s bombshell, will Labour stick with or abandon net zero?

Under pressure from Reform and from the former PM, Keir Starmer is facing a series of tests of his resolve on green policyPopulist politicians are striking a chord with the more

A migrating flycatcher returning to the same Sri Lankan garden sparks interest in birders

COLOMBO — As October drew to a close last year, ardent birdwatcher Moditha Kodikarachchi eagerly awaited a special guest in his garden — a migratory Asian paradise flycatcher. Since 2021, more

Soviet-era spacecraft 'likely' to have re-entered Earth's atmosphere

The spacecraft, which launched in 1972 on a mission to Venus, circled Earth for over five decades. more

The hidden underwater eden of ‘California’s Galapagos’, where seals and grizzly bear-sized bass reign

On the remote Channel Islands, a draw for researchers and divers, preservation has transformed the ecosystemJust 14 miles (23km) off the southern California coast lies a vast underwater paradise.Giant sea more

Colorado’s rural electric co-ops are determined to go green

The federal government promised to pay for upgrades to keep utility rates down. Now what? more

New York is home to four of the largest bitcoin mines in the country, which consume huge quantities of electric power and water to cool their server farms, emit loud more

From our collaborating partner Living on Earth, public radio’s environmental news magazine, an interview by Jenni Doering with Frederique Seidel, senior program lead on children and climate at the World more

If you took a look at a map of Rocky Mountain snow right now you would see a lot of red. The mountains that feed the Colorado River with snowmelt more

Carla Denyer accuses Labour of failing to challenge Reform UK’s net zero ‘lie’

Greens co-leader to table private member’s bill on a worker-led green transition in attempt to seize narrative back from Nigel Farage’s partyThe Labour government is standing back and letting Reform more

One day after the acting head of the Federal Emergency Management Agency said that eliminating FEMA was not “in the best interest of the American people,” the Trump administration ousted more

Driving home from work late on April 25, Leah Thomas noticed the sky over Beaver County was glowing red. “At first I thought maybe it was a fire, or that more

Hawaiʻi’s bone collector caterpillar wears spider’s victims to survive

Researchers in Hawaiʻi have described an unusual species of carnivorous caterpillar that scavenges in spiderwebs while wearing cast-off bits of the spider’s prey. Nicknamed the “bone collector,” the caterpillar belongs more

If an animal is born in captivity, can it ever truly thrive in the wild? The answer is complicated.  As escalating threats, from climate change to development, decimate biodiversity, scientists more

World Bank launches historic framework addressing harms from development projects

The World Bank has released the first-ever framework to address environmental and social harms caused by projects the bank financed through its private sector branches, including the International Finance Corporation more

European body proposes mass killing of cormorants to protect fish stocks

A regional fishery body is seeking to reduce cormorant numbers across Europe through  “coordinated” culling, citing the aquatic birds’ reported impacts on fisheries and aquaculture. The European Inland Fisheries and more

Atoll islands with healthy ecosystems are less likely to disappear as oceans rise, research shows. Now, scientists are using nature-based solutions — like restoring coral reefs and native forests — more

At the U.N., mining groups tout protections for Indigenous peoples

This story is published through the Indigenous News Alliance. In mid-April, the Trump administration cleared the way for a controversial copper mine proposed for western Arizona. The mine would destroy more

There’s something fishy about ‘blue economy’ proposals for sustainable marine management (commentary)

The “blue economy” emerged as a popular vision for sustainable ocean development during the 2010s, as communities across the world grappled with challenges of declining ocean health, economic crises and more

Report urges stricter mining standards to manage climate and social impacts

A new report by the Mining Observatory finds key mining states in Brazil, including Pará, the host state of the upcoming 2025 U.N. climate summit (COP30), are highly exposed to more

Federal enforcement of environmental laws has slowed significantly under President Trump.Read more on E360 → more

Plan for windfarm in German ‘fairytale forest’ stokes green energy culture war

Far right accused of misinformation over turbines at Reinhardswald, which has left local people dividedDeep in the woods that inspired the Brothers Grimm, past the tower from which Rapunzel threw more

Chimpanzees filmed sharing alcoholic fruits for the first time

Researchers have for the first time filmed wild chimpanzees feasting on alcoholic fruits together. It’s the “first evidence for ethanolic food sharing and feeding by wild nonhuman great apes,” they more

‘Stealing joy’: the sadness and symbolism of the crime at Sycamore Gap

Many saw the beloved tree that Adam Carruthers and Daniel Graham cut down as a part of north-east England’s DNA“It was just a tree,” said a mystified Adam Carruthers, one more

Mass South Africa vulture poisoning kills 123; 83 others rescued

In South Africa’s Kruger National Park, a mass poisoning attack this week has left 123 threatened vultures dead and another 83 recovering with the aid of a veterinary team. On more

Ground-level ozone wreaks havoc on warming planet

Ozone as a layer several kilometers up in the atmosphere protects living beings, including humans, from ultraviolet rays. But its accumulation at ground level can be very dangerous, Mongabay contributor more

An $18M grant would have drastically reduced food waste. Then the EPA cut it.

The Rhode Island project to create local jobs, launch compost hubs, and reduce emissions was years in the making. more

In Côte d’Ivoire a changing climate hits farmers and markets alike

ABIDJAN — In recent months, the town of Soubré in the southwest of Côte d’Ivoire has experienced a shortage of staple products in local markets. Some of the most widely more

First, the administration laid off all of the program's staffers. Now the White House is proposing cutting its funding. more

Science lays out framework to assess climate liability of fossil fuel majors

As billion-dollar climate disasters pile up, and world leaders fail to act against global warming, lawsuits on behalf of impacted states, cities and other government entities have increased in number more

Week in wildlife: A rare chameleon, friendly starlings and hot buffaloes

The best of this week’s wildlife photographs from around the world Continue reading more

Viral standoff at Philippines’ Mt. Pinatubo exposes decades of Indigenous exclusion

Avid hiker Maria* and her boyfriend were among the dozens of travelers who booked a tour of the Philippines’ Mount Pinatubo for April 18. Pinatubo, an active volcano, had its more

Litter 'nightmare' as street cleanliness worst on record

Residents say litter near their homes is "heart-breaking" as survey finds worst situation on record. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01419-yAndrew Robinson reviews five of the best science picks. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01462-9Drug makers are scrambling to navigate an ‘existential threat’ to a once-celebrated technology. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01484-3Colliding beams of lead create fast-moving, short-lived gold ions. Understanding the process could help to refine particle accelerator experiments. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01438-9Researchers say that a NASA-funded institute is over-interpreting Trump’s anti-DEI order. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01387-3Just five nations account for more than three-quarters of the emissions of this potent greenhouse gas that stem from rice cultivation. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01418-zA newly identified species of poison-dart frog seems to be monogamous, making it a rarity of its kind. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01437-wChatbot can analyse health-care imagery, such as PDFs of test results, to accurately diagnose a range of medical conditions. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01384-6Public-health measures to curb high blood-sugar levels, smoking and obesity could help to rein in the trend. more

Nature, Published online: 09 May 2025; doi:10.1038/d41586-025-01487-0E-mails reveal the stoppage at the US Environmental Protection Agency, which is encouraging workers to resign ahead of a reorganization. more

Nature, Published online: 09 May 2025; doi:10.1038/s41586-025-09095-8Author Correction: 2023 summer warmth unparalleled over the past 2,000 years more

Moon dust 'rarer than gold' arrives in UK from China

First Moon samples collected in nearly 50 years and loaned by China for the first time are now in the UK. more

The head of FEMA defended the agency on Capitol Hill. Trump fired him.

FEMA’s shake-up follows the cancellation of key climate resilience programs and growing uncertainty over the agency’s future. more

Global prize longlists Mongabay feature on Maxakali reforestation in Brazil

A Mongabay feature on Indigenous-led reforestation efforts in southeastern Brazil’s Atlantic Forest has been longlisted for the environmental reporting category of the 2025 One World Media Awards, a leading journalism more

More than one in 10 Americans lives in a sinking city, study finds

The 28 most populous cities in the United States are all at least partly sinking. That’s according to a new study from the Columbia University Climate School. Researchers used U.S. more

What does bioeconomy truly mean? Indigenous groups seek answer to dodge capitalist traps

Across the Pan-Amazon region, communities who developed the bioeconomy concept centuries ago and practice it today still have a hard time accessing its benefits. more

Our responsibility for cetacean conservation grows with proof of their intelligence (commentary)

The search for intelligent life is looking in the wrong direction. There are billions of stars in our galaxy, some of them older than our sun and with Earth-like planets more

World’s top seafood firms lobby against ocean conservation measures: Report

The world’s biggest seafood companies might seem to have a vested interest in healthy marine ecosystems and plentiful fish stocks. Many claim a commitment to biodiversity in their public messaging. more

Top 25 most threatened primates highlighted in new report urging action

Nearly two-thirds of all primates are in danger of disappearing, including 100 that have only been described by science in the last 25 years. To spotlight their plight, leading conservation more

BBC Inside Science

A new study says 99.999% of the world’s deep seafloor is still unseen by humans. more

Dredging and pollution threaten fishing in the Niger River

BAMAKO — Bourama Traoré and his brother, now aged 20 and 29, grew up along the banks of the Niger River. Their daily routine has always been simple: cast their more

Warming climate is already too hot to handle for 2% of amphibians, study shows

For about 2% of the world’s amphibian species, it’s already getting too hot to survive in their natural habitats, according to a new study in Nature. If the planet keeps more

Report shows policy gaps in safeguarding the carbon rights of forest communities

An absence of government legal and policy reforms is impacting the rights of Indigenous, Afro-descendant peoples and local communities associated with carbon programs in 33 countries in Asia, Africa and more

Barbara Yeaman, aviator and conservation pioneer, died April 6, aged 100

Founder’s Briefs: An occasional series where Mongabay founder Rhett Ayers Butler shares analysis, perspectives and story summaries. In a farmhouse overlooking the Upper Delaware River in the U.S., Barbara Yeaman more

Plastics companies know about chemical recycling’s shortcomings — but still sell it as a solution

A new report casts doubt on industry narratives about the “revolutionary” technology. more

Deadly US rainfall in April 9% more intense due to climate change: Report

Human-driven climate change made the extreme rainfall that caused dozens of deaths in early April in the U.S. South and Midwest more intense and likely, according to a new rapid more

Trophies, body parts & live animals dominate global lion trade, data show

As apex predators, lions (Panthera leo) roam the African savanna, and occasionally even the rainforests, as the only social big cats. A small, isolated population of Asiatic lions (Panthera leo more

Why are all of America’s biggest cities sinking?

A new study finds that the country's 28 most populous metros are losing elevation, from New York City to Seattle. more

The Trump administration has all but stopped enforcing environmental laws

The EPA is the nation's top environmental cop. In the last few months, the federal agency has significantly scaled back pollution enforcement. more

Scorpions ‘taking over’ Brazilian cities with reported stings rising 155%

Fast and unplanned growth of cities providing ideal conditions for the creatures to thrive, say researchersScorpions are “taking over” Brazilian cities, researchers have warned in a paper that said rapid more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01492-3The structure of the taste receptor responsible for sweetness has finally been mapped out. Plus, the intricate patterns of cells in mouse brains illuminated more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01246-1Some data practices can lead to statistically dubious findings. Here’s how to avoid them. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01434-zRecruiters want to see evidence of your potential to grow and develop, learn from mistakes, and how well you will fit into the team, more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01420-5Survey of hundreds of scientists’ work suggests that cutting off funding disrupts focus and reduces the novelty of research. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01412-5The bacterium Pseudomonas aeruginosa produces an enzyme that breaks down biodegradable plastics. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01431-2Hint: it’s less than 1% — a lot less. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01473-6DNA sequencing of a family from children to great-grandparents reveals more mutations than previously seen. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01423-2US agency guidelines nix funding for studies on climate anxiety and more but allow it for those on extreme weather and health. more

Nature, Published online: 08 May 2025; doi:10.1038/d41586-025-01413-4A small tweak to a common enzyme gives plants the ability to make smelly sulfurous molecules. more

How Trump’s latest rollback could raise your utility bills 

The Energy Star program has quietly saved Americans billions in energy costs and has slashed emissions. Now it's now on the chopping block. more

President Trump’s recent order to expedite permits to begin deep-sea mining bypasses international agreements that protect oceans. By moving unilaterally, says the Ocean Conservancy’s Jeff Watters, the U.S. could endanger more

Sea pigs, icefish and trilobites: Antarctica’s mysterious marine life – in pictures

Characterised by darkness and cold temperatures, the extreme environment of Antarctica’s deep sea is largely unexplored. Now, after a special marine science voyage, a team aboard Australia’s national icebreaker, RSV more

Inside the Chornobyl exclusion zone – in pictures

A Russian drone attack has inflicted tens of millions of pounds of damage to the site of the Chornobyl nuclear power plant, according to experts. The photographer Julia Kochetova has more

‘A cemetery of trees’: vast green expanses turned to dust as loggers plunder South America’s Gran Chaco

Jaguars, giant armadillos and ocelots among species threatened by shrinking habitat in one of the richest areas of biodiversity in the worldIn the Gran Chaco forest, vast green expanses – more

Blow to clean energy drive as major windfarm ditched

In a blow to the government's clean energy ambitions, a company cancels a huge windfarm off Yorkshire. more

Blow to clean energy drive as major windfarm ditched

In a blow to the government's clean energy ambitions, a company cancels a huge windfarm off Yorkshire. more

The wealthiest 10 percent of people on Earth have fueled two-thirds of the warming since 1990, according to a new modeling study.Read more on E360 → more

‘It’s like putting a whale in a blender’: the rise of deadly ship collisions in Chile

On average, five fatal whale strikes occur in the country’s waters each year, the highest in the world – and just a fraction of the total number killed, say researchersPhotographs more

A malaria-like disease spread by ticks is moving into Delaware, Maryland, and Virginia

The tick that causes Lyme can also spread babesiosis — and researchers fear doctors in the mid-Atlantic don't know about it. more

Forecasters are predicting higher temperatures across the U.S. and up to 10 hurricanes. Cutting federal programs could leave people even more vulnerable. more

Conservatives led by Friedrich Merz remain committed to renewables, but say "we must and we will change" an economic policy focused on climate. more

Want climate solutions in Indigenous territories? Better get consent.

For three years in a row, Indigenous leaders have called for an end to carbon markets, carbon offsets, and geoengineering technologies. more

Louisiana already has 4 LNG terminals. It just added another.

The Trump administration fast-tracked the project approval, reversing a Biden directive. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01380-wA report detailing how climate inaction will consign people born today to a lifetime of weather extremes must awaken a sense of responsibility. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08907-1Climate models, impact models and demographic data are used to estimate the number of people projected to experience unprecedented lifetime exposure to extreme climate more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08959-3The superconductivity in Bernal bilayer graphene that emerges from the spin–orbit coupling induced by proximal tungsten diselenide can be tuned by modulating the twist more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08973-5A large-scale multi-omics analysis reports oncogenic alterations that drive medulloblastoma progression, rather than initiation, and the findings show how single-cell technologies can be used more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08969-1Activity in the striatum is necessary for trial-to-trial improvements in learning sensory–motor tasks but not memory recall. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01386-4The Haenyeo divers of the Korean island of Jeju have a genetic variant linked to pain tolerance, as do other people living on Jeju. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01385-5At sufficiently high concentrations, some of the compounds called per- and poly-fluoroalkyl substances self-organize into two-layered membranes. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01371-xFive gene clusters have been integrated into the bacterium Vibrio natriegens to engineer a strain that can remediate five organic pollutants — toluene, phenol, more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08942-yLysosomal phospholipase PLA2G15 was identified as a physiological BMP hydrolase whose activity depends on unique esterification and stereochemistry of BMP and offers a potential more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01389-1The Advanced Research and Invention Agency is investing £57 million to study climate-manipulating technologies, but says it is taking a cautious approach. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08947-7A synthetic biology approach was used to engineer Vibrio natriegens into a strain capable of bioremediating complex organic pollutants in saline wastewater and soils, more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01408-13D structure of the tongue’s sweet-sensing protein could guide future food designs. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08863-wIntroducing spin–orbit coupling by substrate proximity effect leads to an enhancement of superconducting phases in rhombohedral trilayer graphene. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01441-0A nineteen-year-old has become the first person to undergo a ‘third nostril’ surgery to remove a spinal tumour. Plus, generations of cold-water diving has more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08974-4Some cancer cells exhibit high loads of reactive iron in lysosomes, and this feature is exploited by using fentomycin-1, a newly developed small molecule, more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01368-6Lipid recycling in organelles called lysosomes depends on the lipid BMP, which was thought to be resistant to degradation by lysosomal enzymes. It emerges more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08960-wThe physical organization of the genome in non-bilaterian animals and their closest unicellular relatives is characterized; comparative analysis shows chromatin looping is a conserved more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08900-8Model simulations show that the observed trends in the seasonal amplitude of methane can be attributed to changes in emissions and the atmospheric sink more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01336-0An analysis shows that large fractions of future generations will be exposed to extreme climate events that would occur only once every 10,000 years more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01374-8A 20-year field study of the African superb starling (Lamprotornis superbus) found striking evidence that birds often switch breeding roles from year to year more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01410-7Former Harvard scientist convicted of making false statements says he wants to do research that benefits humanity — and cannot do that in the more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01350-2Momentum is building for PROTAC treatments that eliminate disease-causing proteins, including those responsible for difficult-to-treat childhood cancers. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01274-xUndeterred by US funding cuts, behavioural-health researcher Jason Flatt studies how dementia affects people from sexual and gender minorities. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08955-7Ancestral reconstruction together with molecular dating of the last Asgard archaea and eukaryote common ancestor suggest that eukaryotes arose from the fusion of a more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01411-6An executive order suspends the use of federal funds for certain experiments on pathogens with pandemic potential. Critics say low-risk science could be affected more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08952-wA set of neurons in the peri-locus coeruleus region controls arousal and avoidance states, providing an understanding of the neurobiological basis of arousal and more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01136-6Mutations in RAS enzymes commonly drive cancer. Targeting an overlooked protein complex that works with RAS offers a fresh avenue to cancer therapy. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08962-8Imaging and optogenetics in mice provide insight into the interplay between the primary motor cortex and the motor thalamus during learning, showing that thalamic more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01417-0Young people will be exposed to a number of heatwaves that no one would have experienced in pre-industrial times. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08957-5Approach versus avoidance responses are driven by D1 and D2 neurons in the ventral hippocampus. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-09082-zAuthor Correction: Matrix-producing neutrophils populate and shield the skin more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01432-1Sample-enlarging trick helps researchers to untangle brain connectivity using readily available equipment. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08971-7A technique called condense-seq has been developed to measure nucleosome condensability and used to show that mononucleosomes contain sufficient information to condense into large-scale more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08910-6This Review provides an overview of progress and future directions in the development of nasally administered vaccines for respiratory infections. more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01433-0Removal of experienced fish results in younger members not knowing migration routes — plus, how AI companion apps may affect our mental health. more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08958-4A study of the cooperative breeding behaviour of superb starlings during 40 consecutive breeding seasons over 20 years reveals long-term reciprocal helping between both more

Nature, Published online: 07 May 2025; doi:10.1038/d41586-025-01337-zA molecule designed to activate iron locked up in organelles called lysosomes and thereby induce cell death might offer a way to tackle treatment-resistant more

Nature, Published online: 07 May 2025; doi:10.1038/s41586-025-08983-3A critically low abundance of older herring due to age-selective fisheries resulted in an approximately 800-km poleward shift in main spawning. more

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Our Mission

Demarest Nature Center - Duffy Bridge

According to the 1972 articles of Incorporation, the purposes of the organization are:

  • To acquire or lease undeveloped lands and establish thereon educational building(s).
  • To develop natural history and conservation education programs in cooperation with schools, colleges, hospitals, youth groups and other organizations which will develop an understanding and appreciation of natural resources.
  • To cooperate with national, state, county, municipal and private natural resource agencies in providing an outdoor laboratory in which to demonstrate natural resource problems and management techniques.

 Check Out Our Latest Newsletter & History of DNC

Events

What We Sponsor

The DNC sponsors numerous programs to bring residents of Demarest and the surrounding areas into closer contact with wildlife and the natural world. Programs have varied, including lectures on native plants, family hikes, maple syrup making, bird watching & counts, birdhouse building, mushroom foraging walk, community trail walk and children’s scavenger hunts.  Local outdoor activities have been held at the Nature Center, Wakelee Field, various school grounds, and at the Duck Pond.

TripAdvisor

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Mail

Demarest Nature Center
Box 41
Demarest, NJ 07627

Location

90 Park St, Demarest, NJ 07627

Trail Map

You can download a Trail Map here.

Become a Member

Since its incorporation in 1977 the Demarest Nature Center Association has cared for a 55-acre parcel of land bordered by Columbus Road on the west and County Road on the east. The Demarest Nature Center is open to all every day of the year. In addition to protecting woods, vernal ponds, meadows, and a section of the Tenakill Brook, as well as establishing and maintaining walking trails, the center provides educational events for everyone about the beauty of nature and the importance of preserving our amazing forest habitat. Your membership dollars go towards sponsorship of environmental education programs for kindergarten through the fourth grade in the Demarest schools, and a yearly scholarship given to a local high school senior who plans to pursue environment-related studies in college. Your membership also helps support our birdhouse/bird feeder building program, our annual photo contest, maple syrup making, environmental scholarships, monthly community trail walks and the Craft Show at Oktoberfest/Fall Festival Event.

The Demarest Nature Center Association is a 501(c)(3) not-for-profit corporation, run solely by volunteers and receives no funding from the Borough of Demarest.

Residents of Demarest receive all DNC mailings as postal patrons. Non-resident members receive DNC mailings by 1st class mail.

Come Join Us And Become a Member

Photo Gallery