National Geographic video on climate change, narrated by Al Gore
Pew Center on Global Climate Change – Climate Change 101: Understanding and Responding to Global Climate Change
A series of brief reports providing a reliable and easy-to-understand introduction to climate change, covering climate science and impacts, technological solutions, business solutions, international action, recent action in the U.S. states, and action taken by local governments.
UK’s National Weather Service
This resource from the Hadley Centre, the UK’s premier climate research centre, provides more in-depth information on the science behind climate change.
An accessible, easy-to-understand blog by US climatologists. RealClimate has put together their own list of key climate resources.
World Wildlife Fund
Straightforward information on the causes and impacts of climate change.