Ecology

Toolik Field Station is located north of the Arctic Circle.

Arctic Dispatch: Reaching Toolik

Journalist Christine Dell’Amore travels to Alaska’s Toolik Field to observe the environmental changes occurring in the Arctic Circle

The team hikes to the research sites above Toolik Lake.

Arctic Dispatch: Playing With Permafrost

The first field tests in the tundra look at the effects of nitrogen levels on permafrost

A view from the Jade Mountain summit

Arctic Dispatch: The Hike Up Jade Mountain

After a day of experiments and ongoing mosquito battles, Christine Dell’Amore enjoys the view from the top

On the drive from Toolik, a view of the ocean and sun in the early morning hours

Arctic Dispatch: A Polar Bear Plunge

A trip to the oil-rich Prudhoe Bay region ends in an Arctic swim

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Patricia Zaradic, Conservation Ecologist, Pennsylvania

The trouble with "videophilia"

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Giant Footprint

How the world's 6.6 billion people threaten the health of the ecosystem

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Up in Smoke

Amazon research that has withstood thieves and arsonists now faces its greatest challenge

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Roots of the Sea

What mangroves give the world and why we can't afford to lose them

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EcoCenter: Air

Forty years after the passage of the Clean Air Act, researchers have seen great progress while studying the dangers of pollution

"Canopy Meg," pioneer of forest ecology, recalls her adventures in her new book, It's a Jungle Up There.

Interview: Margaret Lowman

Bugs in trees and kids in labs get their due in a new book by "Canopy Meg"

Panther Key

Everglades

The nation's storied wetland is the focus of the world's largest environmental restoration project. But will that be enough?

35 Who Made a Difference: Jane Mt. Pleasant

Iroquois tradition plus Western science equals a more sustainable future

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Hazy Days In Our Parks

The air in many national wilderness wonderlands is getting worse. As officials debate new rules to curb pollution, scientists find sources are far-flung

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Rising from the Ashes

The eruption of Mount St. Helens 25 years ago this month was no surprise. But the speedy return of wildlife to the area is astonishing

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Rapture of the Deep

Pennekamp State Park—the nation's first coral-reef santcuary—protects a thriving ecosystem beneath the waves

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Invasion of the Snakeheads

The voracious "Frankenfish" has turned up in the Potomac River, Lake Michigan and a California lake, sparking fears of an ecological Armageddon

Trumpeter Swan, John James Audubon, 1838.

John James Audubon: America's Rare Bird

The foreign-born frontiersman became one of the 19th century's greatest wildlife artists and a hero of the ecology movement

Tidal wetlands of the Chesapeake Bay

Baywatch

Smithsonian scientists' study of the Chesapeake may benefit a wider world

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Net Gains

A California biologist discovered a new insect species and then caught evolution in the act

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Prince of Tides

Before "ecology" became a buzzword, John Steinbeck preached that man is related to the whole thing

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