Climate Change

The Carbon Brief
Skeptical Scientist
Tyndall Centre for Climate Change Research
Real Climate
National Energy Foundation
Intergovernmental Panel on Climate Change (IPCC)
Energy Royd
Climate Progress
Carbon Coop

Environment

Peak Oil

The Oil Drum
Oil Depletion Analysis Centre (ODAC)
Great Real Lis

sustainability

Transition Culture
Post Carbon Institute
New Economic Foundation
MERCi
Centre for Alternative Technology (Machynlleth)
Center for the Advancement of the Steady State Economy (CASSE)
Business Green
Alternative Technology Centre (Hebden Bridge)