HEATKEYS

Calculate your carbon footprint + manage and reduce it + save energy costs. Be carbon neutral with our range of high quality carbon offsets.

Protecting Nature, Preserving Life

Calculate your carbon footprint. Find out with the latest personal footprint calculator for the United States based on zip code. Brought to you by Make an Impact at Center of Climate and Energy Solutions (C2ES).

EPA

Leader in certified carbon offsets; join over 600000 individuals & 1800 businesses fighting climate change. Carbon offsets for indiv/business/products » Carbon Offsets » Calculator » Carbon Neutral.

The University of California, Berkeley has developed this free, user-friendly calculator to help you estimate your carbon footprint and compare it to households of similar size and income. Get a personalized report for your household or small busines...

Make Tomorrow Brighter

Get a rough estimate or an accurate calculation of your carbon dioxide and other emissions from electricity, gas, oil, car, bus, train, plane, food and miscellaneous spending

Fight global warming by reducing your carbon footprint today - TerraPass helps individuals easily and affordably balance their environmental impact

Ever wondered how much ?nature? your lifestyle requires? You?re about to find out. The Ecological Footprint Quiz estimates the amount of land and ocean area required to sustain your consumption patterns and absorb your wastes on an annual...