Carbonfund.org
Offers carbon-dioxide emission offsets to reduce the environmental impact of your driving and traveling.
www.carbonfund.org
Climate Trust
Promotes climate change solutions by providing high-quality greenhouse gas offset projects and advancing sound offset policy.
www.climatetrust.org
NativeEnergy
Offers carbon-dioxide offsets that support new clean and renewable sources of energy that reduce global warming pollution and create sustainable economies for Native Americans, family farmers, and local communities.
www.nativeenergy.com
Sierra Club Green Home
Sierra Club Green Home is dedicated to helping you create a more sustainable home environment.
www.sierraclubgreenhome.com
TCI Carbon Offsets
Helps you learn about offsets and how to select an offset project or company. Assesses several different organizations that offer carbon-dioxide offsets.
www.tufts.edu/tie/tci/carbonoffsets/
TerraPass Carbon Offsets
Allows consumers to easily and affordably reduce the environmental impact of driving their cars, traveling, and other activities by purchasing carbon-dioxide emission offsets.
www.terrapass.com