Our Planet

One clue that the Buena Vista site was aligned with the seasons comes from a menacing statue (Ojeda is in the background) that faces the winter solstice sunset.

The New World's Oldest Calendar

Research at a 4,200-year-old temple in Peru yields clues to an ancient people who may have clocked the heavens

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Organization Man

Carl Linnaeus, born 300 years ago, brought order to nature's blooming, buzzing confusion

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EcoCenter: Greener Living

Smithsonian.com takes a look at common and easy ways to go green

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New Report Says Climate Change Will Severely Affect Americans

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Discovery to Launch Green Living Channel

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Heating Up and Exposing a Divide

Covering the Earth

A collection of Smithsonian's recent environmental stories

The amount of jobs and money funneling into the American Midwest could be an economic boon, says Chris Somerville. "We've gone from a couple to 150 corn-grain ethanol plants in 3 years."

The World After Oil

As the planet warms up, eco-friendly fuels can't get here fast enough

Nudibranchs (seaslugs) are favorite with amateur divers. The advent of SCUBA diving and digital photography has revolutionized how we document and describe these soft-bodied, shell-less gastropods.

Species Explosion

What happens when you mix evolution with climate change?

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No Ice in Arctic Means No Snow in Aspen

Two NOAA WP-3D Orions

Farming the Deep

"If global warming's worst predictions come true in 100 years," says Fabio Carrera, "the real issue is preserving Venice as a liveable place—not stopping the occasional tide from coming in."

Venice's Uncertainty

A new floodgate system should protect the city from high tides—unless climate change interferes

Although Brazil protected indigenous territories in the 1980s, many miners and loggers ignore Native boundaries; they see cultural mapping as a threat.

Rain Forest Rebel

In the Amazon, researchers documenting the ways of native peoples join forces with a chief to stop illegal developers from destroying the wilderness

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Wild Things: Life as We Know It

Gray seals, alligators and the world's largest flower

Roald Amundsen and his crew looking at the Norwegian flag at the South Pole, 1911

Antarctica's Lost & Found Dept.

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Planet -- well, Forest -- of the Apes

IKEA's $.05 Campaign to Save the Environment

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Seeds Kept Safe in Arctic Circle Vault

Corn is the main feedstock used for producing ethanol fuel in the United States.

Finding Alternatives to Bush's Alternative Fuels

An image of Augustine erupting on January 13, 2006, from about 50 miles away from the volcano.

Volcanic Lightning

As sparks flew during the eruption of Mount St. Augustine in Alaska, scientists made some new discoveries

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