provides a carbon calculator to assist in planning meals that have minimal impact on carbon dioxide production

implements the same simple carbon-climate models as used in the IPCC, allowing anybody to explore the sensitivity of many policy options and scientific uncertainties

helps individuals and organizations reduce their own impact on global warming; visitors can offset their CO2 emissions through reforestation, renewable energy and energy efficiency projects

helps you to reduce your environmental impact by providing a calculator to identify your personal CO2 emissions, learn about how to reduce them, and purchase renewable energy certificates (green tags) to offset your remaining emissions

allows individuals/entities to participate in the GHG emission reduction market by purchasing emission reductions on-line

promotes a prototype of a device that can provide real-time energy usage information to homeowners so that they can actually see where their electricity is being used and take action accordingly

a community of people convened by the Guardian newspaper committed to reducing their CO2 emissions, focusing upon energy conservation and waste reduction, through making weekly pledges and recording their actions against their pledges

encourages using less energy and doing so more efficiently

promotes education and action to reduce the carbon footprint of buildings and communities by networking with people and organizations at local level to achieve national impact

encourages individuals and businesses to help stop climate change by signing up for the Challenge online, using the online calculator to determine CO2 emissions, and to pledge to take action to reduce these emissions

the World Resources Institute helps office-based organizations understand climate change and the practical steps they can take to measure and reduce their CO2 emissions