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Which language and
country should we add to
our Footprint Calculator?

Think Big

Make our Footprint Calculator accessible to billions of people around the world.
A generous donor will double your donation for China and/or India.


1.3 billion
speak Mandarin


500+ million
speak Hindi
Featured Video

Friends of the Footprint Calculator

Friends of our Ecological Footprint Calculator around the world share their experiences using this popular tool as students and educators. Join our Adopt-a-Country campaign now to add languages and country data to the calculator to educate millions more people about sustainability. View Full Video

Country Overshoot Days

A country’s overshoot day is the date that Earth Overshoot Day would fall if all of humanity consumed like the people in this country.

Country Overshoot Days are calculated with Global Footprint Network’s National Footprint Accounts. More ›

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