In the 19th century, scientists realized that gases in the atmosphere cause a "greenhouse effect" which affects the planet's temperature. ...

A carbon offset is a reduction in emissions of carbon dioxide or greenhouse gases made in order to compensate for ...

Includes articles, news, and information on how to offset your carbon footprint to reduce global warming.

A company that puts climate change at the heart of business strategy, and finds ways to take action which create ...

Helps you help build Native American, farmer-owned, and charitable purpose renewable energy projects that create social, economic, and environmental benefits. ...

A carbon offset service where air travelers can calculate the greenhouse gases created by their air flight and make a ...

Dedicated to providing solutions to stabilize our rapidly changing climate. Promotes climate change solutions by providing high quality greenhouse gas ...

Climate change community focused on fun, social, and competitive challenges.

Calculates the amount of carbon dioxide visitors emit in daily life, and allows them sign-up to support projects that help ...

Compensates for emissions caused by air travel by investing in renewable energy projects and by planting and protecting trees that ...

Enables people to offset their emissions from travel and lifestyle choices by allowing them to contribute money towards projects that ...

Offers a solution to businesses to attain carbon reduction targets by engaging employees through communication, education, measurement, and rewards.

Offers a carbon emissions calculator to determine how much CO2 emissions are coming from your car, boat, or air travel. ...

A luke warm view of global warming from Tasmania. Site in English and Spanish.

From the Food and Agriculture Organization of the United Nations.