Climate change is a change in the statistical distribution of weather ... Climate change may be limited to a specific region, or may occur across the whole Earth. ...
en.wikipedia.org/wiki/Climate_change
The EPA Climate Change site provides comprehensive information on the issue of climate change and global warming in a way that is accessible and meaningful to all ...
www.epa.gov/climatechange
Latest news, comment and analysis on climate change and global warming from the Guardian, the world's leading liberal voice
www.guardian.co.uk/environment/climate-change