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biosphere

Biosphere
Image: National Geographic/Gabriela Dominguez,

Biosphere

Add up all the areas where life is found, and you've got the biosphere.

But life doesn't just hang out in this thin layer extending from just below the Earth's surface to a few miles above it. Over billions of years, living things have molded the biosphere in ways that have allowed new and more complex living things to evolve.

National Geographic
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Biosphere 2: An American Space Odyssey

Biosphere 2: An American Space Odyssey

When eight people went to live in an artificial biosphere in 1991, critics had good reason to call the experiment a joke. But no one's laughing now. More...

Video
New York Times
Biosphere: Photos from Space

Biosphere: Photos from Space

The biosphere includes cities as well as coral reefs, deserts, forests, and farms. See them all from space. More...

Images
NASA
Global Climate Change: Research Explorer

Global Climate Change: Research Explorer

Don't just take someone's word for it that people have been changing the biosphere. Examine the evidence from space. More...

Interactive
Exploratorium
Jane Poynter: Life in Biosphere 2

Jane Poynter: Life in Biosphere 2

Do we know enough to build an artificial biosphere? Jane Poynter found that out, and much more, by spending two years sealed up in "Biosphere 2." More...

Video
TED
The Biosphere

The Biosphere

Click here for a deeper understanding of "the envelope of life," and why many scientists believe humans are causing a sixth mass extinction. More...

Article
Aspen Global Change Institute
This Pulsing Earth

This Pulsing Earth

When pictures of the Earth, taken monthly, are strung together, the planet seems alive. Areas of ice and vegetation expand and contract like a beating heart. More...

Video
NPR
Visions of Earth’s Early Biosphere

Visions of Earth’s Early Biosphere

Dive to the bottom of the largest and deepest freshwater lake in East Antarctica with Dr. Dale Andersen to learn about Earth's microbial communities. More...

Profile
SETI Institute
What Is the Biosphere?

What Is the Biosphere?

Get to know the biosphere, as well as the cryosphere, geosphere, hydrosphere, and atmosphere. More...

Article
Rice University

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