Climate Impacts
WWF works with governments, communities and businesses around
the world to change attitudes about global warming.
Climate Witness
Climate change can be seen in the sky, felt in the air, heard, smelled and even tasted. Its effects on the natural world are already too numerous to count. Climate change is impossible to hide, and ought to be impossible to ignore.
WWF's witnesses to climate change can testify to rising sea levels, coral bleaching, violent storms and disappearing species, deadly heatwaves and drought. Read their stories and see, through their eyes, how climate change has already begun to affect some of our most precious natural treasures.
The 10 hottest years on record have occurred since 1990—Arctic sea ice has declined to the lowest levels on record.
Climate change can affect marine ecosystems in many ways—raising surface water temperatures, reducing the extent of sea ice, raising sea levels, affecting ocean currents, reducing upwelling, ocean acidification, and changing the way water in the ocean tends to form layers of different temperature or salinity.
WWF is focusing on slowing climate change through four key initiatives:
