Earth
We know of no other planet like Earth. The Earth sciences, which include geology, hydrology and atmospheric science, have helped us uncover the 4.5-billion-year history of our home. Explore the mysteries of our planet and learn its diverse natural wonders with our expert coverage.
Earth
What's at stake at this week's climate summit in Lima
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Earth
Philippines learned from Haiyan to cut typhoon deaths
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Earth
Paris says 'non' to diesel in anti-pollution push
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Earth
Warm water undermining Antarctica's ice shelves
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Earth
Don't drop the two-degree climate target
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Earth
How we can avert the coming mass extinction
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