Global Warming

As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels

Congo's rain forests under logging threat

Could cleaner air be worsening global warming?

Droughts could kill many of the world's trees

Rising sea levels will slow down Earth's rotation

Ozone hole nears record-breaking size again

7 reasons why Arctic sea ice matters

Permafrost decomposes, releases carbon dioxide far quicker than once believed

Barack Obama and David Attenborough discuss the natural world

Antarctica's Larsen ice shelf on the verge of collapse

Battling climate change requires actions big and small

Which U.S. states worry the most about climate change?

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