August 22 is Earth Overshoot Day
August 23rd 2012
Today, August 22, is Earth Overshoot Day, marking the date when humanity has exhausted nature’s budget for the year. We are now operating in overdraft. For the rest of the year, we will maintain our ecological deficit by drawing down local resource stocks and accumulating carbon dioxide in the atmosphere. Just as a bank statement tracks income against expenditures, Global Footprint Network measures humanity’s demand for and supply of natural resources and ecological services. And the data is sobering. Global Footprint Network estimates that in approximately 8 months, we demanded more renewable resources and CO2 sequestration than what the planet can provide for an entire year.
In 1992, Earth Overshoot Day – the approximate date our resource consumption for a given year exceeds the planet’s ability to replenish – fell on October 21. In 2002, Overshoot Day was on October 3. Given current trends in consumption, one thing is clear: Earth Overshoot Day tends to arrive a few days earlier each year. Earth Overshoot Day, a concept originally developed by Global Footprint Network partner and UK think tank New Economics Foundation, is the annual marker of when we begin living beyond our means in a given year. While only a rough estimate of time and resource trends, Earth Overshoot Day is as close as science can be to measuring the gap between our demand for ecological resources and services, and how much Earth can provide.
Source: Global Footprint Network
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