Earth Overshoot Day
In 8 Months, Humanity Exhausts Earth’s Budget for the Year
August 20 is Earth Overshoot Day 2013, marking the date when humanity 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 eight months, we demand more renewable resources and C02 sequestration than what the planet can provide for an entire year.
In 1993, 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 2003, Overshoot Day was on September 22. Given current trends in consumption, one thing is clear: Earth Overshoot Day arrives a few days earlier each year.
Earth Overshoot Day, a concept originally developed by Global Footprint Network partner and U.K. 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 the planet can provide.
The Cost of Ecological Overspending
Throughout most of history, humanity has used nature’s resources to build cities and roads, to provide food and create products, and to absorb our carbon dioxide at a rate that was well within Earth’s budget. But in the mid-1970s, we crossed a critical threshold: Human consumption began outstripping what the planet could reproduce.
Please click here to read the full article: http://www.footprintnetwork.org/en/index.php/GFN/page/earth_overshoot_day/
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