Our Planet

Climate Change Forced Humans to Evolve

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Wild Things: Life As We Know It

Icebergs, ice age wolves and honeybee queens

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Put Away Your Plow, Farmer

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Pope Goes Green

Birds Inspire Pine Growth

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Wild Things: Life As We Know It

Mammoths, Clownfish and Traveling Plants

Munna male

700 Species Discovered in Antarctica

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Global Warming Forecast

"We keep on talking about doing a book together," says Madeleine Nash, of working with her husband, Thomas (above, at the South Pole).

Extreme Persistence

Madeleine and Thomas Nash braved high altitudes and frigid temperatures for "Chronicling the Ice"

Scouting the area near Naimona'nyi (the peak above), Thompson and co-workers identified nearly 60 glaciers, many of them pitted by water-filled holes, a sure sign of melting.

Chronicling the Ice

Long before global warming became a cause célà¨bre, Lonnie Thompson was extracting climate secrets from ancient glaciers

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Tales From Lake Whoa-Be-Gone

Litter and garbage dumped in wetland area among water lilies and marsh plants

Garbage Into Fuel: A Reality

Arctic Plants on the Move Due to Global Warming

Low-temperature electron micrograph of a cluster of E. coli bacteria, magnified 10,000 times. Each individual bacterium is oblong shaped.

E. coli Bonding Before the Burger

Samper: "An ability to bring people together."

Biologist at the Helm

Meet Cristián Samper, Acting Secretary

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Peter Piper Picked a Pack of Pickled Products

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The Chopping Block

Arctic Ice Melting Faster Than Computers Thought

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Ten Greenest Buildings in America

A view of the Thirteen Towers of Chankillo, in Peru.

Return of the Sun Cult

In Peru, scientists discover the oldest solar observatory in the Americas

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