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What it measures

This quiz estimates the size of your ecological footprint

The Ecological Footprint Quiz estimates the area of land and ocean required to support your consumption of food, goods, services, housing, and energy and assimilate your wastes. Your ecological footprint is expressed in "global hectares" (gha) or "global acres" (ga), which are standardized units that take into account the differences in biological productivity of various ecosystems impacted by your consumption activities. Your footprint is broken down into four consumption categories: carbon (home energy use and transportation), food, housing, and goods and services. Your footprint is also broken down into four ecosystem types or biomes: cropland, pastureland, forestland, and marine fisheries. Here are the global averages:

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There are only 15.71 global hectares available per person on a renewable basis. This means we are overshooting the Earth's biological capacity by nearly 50%. To sustain present levels of consumption, we would need:

1.50 earths



:
  • SednaTV
  • San Jose State University
  • YLE.fi
  • Creative Change Education Solutions
  • Coca-Cola Life Plus Foundation
  • SNC Lavalin

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Since 2008, the Ecological Footprint Quiz has been offered as a free public service to millions of educators, students, and earth-conscious people worldwide without any financial support. Unfortunately, we cannot continue to offer this tool without your generosity. Please consider a donation of $10 or more before you use it to help us keep up with growing global demands for this valuable sustainability tool. Thank you!

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