ReportHumans will need two Earth’s by 2050 if present trends in natural resource consumption continue. Currently, our use of ecosystem goods and services such as food, timber, energy, and waste recycling exceeds the planet’s biocapacity by 25 percent.

According to WWF, the Earth’s regenerative capacity can no longer keep up with demand – people are turning resources into waste faster than nature can turn waste back into resources.

Report: 2006 Living Planet Report
WWF:Human footprint too big for nature.
WWF-UK: The UK needs 3 planets to support it.
WWF: Getting in touch and finding out more.