Trees

New Survey Estimates Earth Has 60,065 Tree Species

Researchers from Botanic Gardens Conservation International compiled the list, finding that at least 10,000 tree species are at risk of extinction

Underground, all these aspen trees share a singular root system.

Where to Hike to (and Through) the World's Largest Organisms

Some of the largest organisms will surprise you

One of the world's most iconic deserts was once lush and green. What happened?

What Really Turned the Sahara Desert From a Green Oasis Into a Wasteland?

10,000 years ago, this iconic desert was unrecognizable. A new hypothesis suggests that humans may have tipped the balance

The government worker Chandra Rangani tends to the health of Thimmamma Marrimanu.

The Biggest Tree Canopy on the Planet Stretches Across Nearly Five Acres

In remote India, a visit to Thimmamma Marrimanu offers a spectacular lesson in the vital coexistence of living things

National Archives of Korea's Busan Repository

Why South Korea’s National Archive Uprooted 12 Japanese Trees

The kaizuka trees represent a long and complicated history with the country's former colonial occupier

The Pioneer Cabin Tree in 2006

One of California’s Iconic “Tunnel Trees” Has Fallen

The Pioneer Cabin Tree was likely hundreds of years old

Needle drop is one of the traits plant scientists at the Christmas Tree Research Center at Dalhousie University are hoping to improve.

Can Science Produce a Longer Lasting Christmas Tree?

LED Christmas lights make the needles hold on longer, and other discoveries from the world’s only Christmas tree research center

The 45-foot Christmas tree is installed in Boston Common.

A Century-Old Boston Christmas Tree Tradition Costs Canadians Big Money

Turns out that Boston’s city Christmas tree is a very valuable gift

Simple, yet effective.

Why Public Health Researchers Are Looking to Urban Trees

A global study finds they can help cool cities and reduce air pollution—for less money than high-tech answers

Mangroves are rich and biodiverse coastal ecosystems that flood and emerge with the tides. Now villagers are burning these trees to better their lives.

Madagascar's Mangroves: The Ultimate Giving Trees

Locals already use the trees for food, fuel and building materials. Now they're burning them to make lime clay

One of the Wentworth elms rediscovered at Holyroodhouse

"Extinct" Variety of Tree Rediscovered at Queen's Palace in Scotland

Two Wentworth elms identified at Holyroodhouse escaped Dutch elm disease, which destroyed millions of other trees

A Hungry Snake Finds a Whole Colony of Sociable Weavers

Nesting in close proximity to each other has a lot of advantages for sociable weavers

Alaska's yellow-cedar forests are slowly dying as climate change takes root.

This Music Was Composed by Climate Change

Dying forests make magnificently melancholy listening

Long thought to be a genetic mutation, albino redwoods may actually serve as a forest filter.

Stalking Down Answers: Why Are Some Redwoods White?

The mysterious pale trees many not just be odd genetic mutations, a new study finds

The Survivor Tree was returned to the WTC in 2015.

Saplings From the 9/11 Survivor Tree Are Headed to Paris, San Bernardino and Orlando

The tree is a powerful symbol of resilience and life, even in the most tragic circumstances

Adonis, a Bosnian pine, is the new oldest tree in Europe

Celebrating at Least 1,075 Years, This Pine Could Be Europe's Oldest Tree

The Bosnian pine stands in a forest of ancient trees in the Pindus Mountains

Tree Rings Help Circle in on Dating Pre-History Events

Solar flares create spikes in the Carbon-14 of woody plants that can provide anchor years for more accurate dating of artifacts

An Insect Could Make Ash Baseball Bats a Thing of the Past

The invasive emerald ash borer is threatening the forests where Rawlings and Louisville Sluggers come from, putting the bats in jeopardy

A forest in India

India Plants a Record 50 Million Trees in 24 Hours

More than 800,000 volunteers planted saplings in public spaces in the state of Uttar Pradesh hoping to reduce greenhouse gases and reforest the countryside

Browse Though the Amazon's 12,000 Tree Species in This New Master List

Gotta count 'em all

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