For more information on climate change, take a look at the following sites:

General:

www.futureenergy.org

Eco Earth - Environment/Climate News and Portal

Climate science:

Real Climate - scientific experts explain the science and bust the skeptics.

Energy Science scientific experts explain the science of energy (largely focused on nuclear issues).

Climate Justice;

Friends of the Earth Climate Justice Campaign

Carbon dioxoide emissions:

www.breathingearth.net

United Nations:

IPCC

Grida

Offsetting your emissions:

Greenswitch

Climate Friendly

Environmental jobs:

Green Engineering Jobs (largely UK & USA)