Environmental:
Batteryback - Where to recycle you old batteries
Recycle Now - Find out which items can be recycled and where.
Waste Connect - Want to dispose of household waste, here's all the answers
Fabulous Nature - Some great pictures of the world
WWF - Help to save the Amazon
Freinds of the Earth - All the environmental issues you want in one place
10:10 - Cut those emissions by 2010
Co2 saver - Reduce the amount of power your PC consumes
One Click Power - Stop leaving equipment on standby
Recycle Now - For all your recycling needs
U switch - Helps keep an eye on those energy costs
Action CO2 - General CO2 stuff
Greenopia - American Green site
Car CO2 Emissionsl - Want a new car but don't know the CO2 emissions
Freecycle - Advertise your unwanted stuff for free