Climate change, driven by the increasing concentration of greenhouse gases in the atmosphere, pos...

Climate change, driven by the increasing concentration of greenhouse gases in the atmosphere, pos...

Global climate change is one of America's most significant long-term policy challenges. Human act...

Climate change is occurring. It is very likely caused by the emission of greenhouse gases from hu...

Across the United States, impacts of climate change are already evident. Heat waves have become m...

Climate change is occurring, is caused largely by human activities, and poses significant risks f...

Global climate change is one of America's most significant long-term policy challenges. Human act...

Climate change is occurring, is caused largely by human activities, and poses significant risks f...

Climate change is occurring. It is very likely caused by the emission of greenhouse gases from hu...

'Climate change, driven by the increasing concentration of greenhouse gases in the atmosphere, po...

'Global climate change is one of America's most significant long-term policy challenges. Human ac...

'Climate change is occurring, is caused largely by human activities, and poses significant risks ...