Climate change is the biggest threat to nature and humanity in the 21st century.
WWF's work on Climate Change
Climate tipping points
View an interactive presentation about 12 climate tipping points around the Earth.
Climate: the changes & impacts of global warming
Climate change news
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05 Mar 2010
Earth Hour heads into record territory
New records are being achieved for Earth Hour with more countries now signed up for the event than for last year’s globe circling lights out for climate action. Organisers are now active in in 92 countries, compared to a final participation figure of 88 countries in 2009 - with still just over two weeks to go.
The biggest threat
Climate change is everywhere
Today we are seeing the impacts of climate change around the globe - melting glaciers, rising sea levels, stronger storms, higher floods, less snow north and more drought south.
While individual events cannot be proof of serious climate change, multiple events, observations in nature, and observations by people living close to nature tell the full story.
Observations in nature
In almost 100 countries, WWF is working with people close to nature. By asking them about changes they see we are putting together a global map of Climate Witnesses which describe the creeping changes.
What can you do
Visit our Green Living section for tips on how you can start reducing your carbon footprint.
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Support WWF's climate work here:
