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http://http//www.msnbc.msn.com/id/15398149/
Humans will need two Earths, report claims
Global ‘footprint’ left by consumption is growing, conservationists argue
- "For more than 20 years we have exceeded the Earth's ability to support a consumptive lifestyle that is unsustainable and we cannot afford to continue down this path," WWF Director-General James Leape said in releasing the 2006 Living Planet Report in Beijing.
- "If everyone around the world lived as those in America, we would need five planets to support us," Leape added.
- In 2003, the report added, humanity's ecological footprint — the demand people place on the natural world — was 25 percent greater than the planet's annual ability to provide everything from food to energy and recycle all human waste.
"On current projections, humanity will be using two planets' worth of natural resources by 2050 — if those resources have not run out by then," the latest report said. "People are turning resources into waste faster than nature can turn waste back into resources."
"Humanity is living off its ecological credit card," Mathis Wackernagel, head of the Global Footprint Network, said in a statement. "While this can be done for a short while, overshoot ultimately leads to liquidation of the planet's ecological assets, and the depletion of resources, such as the forests, oceans and agricultural land upon which our economy depends."
The report noted that an index tracking 1,300 vertebrate species — birds, fish, amphibians, reptiles and mammals — showed that populations had fallen for most by about 30 percent because of factors including a loss of habitats to farms.



































