2012 Living Planet Report. [World Wildlife Fund] – The 2012 edition of the Living Planet Report highlights the tremendous pressure that humanity is putting on our planet. We are currently using 50 per cent more resources than the Earth can provide. By 2030, even two planets will not be enough. Rising consumption trends in high-income groups around the world (and also in Brazil, Russia, India, Indonesia, China and South Africa), combined with growing population numbers, provide warning signs of the potential for even larger footprints in the future.
The United States ranks 5th among per-capita consumption (behind Qatar, Kuwait, United Arab Emirates and Denmark). If the entire world consumed as we Americans do, it would currently take 4 planets just like ours to sustain us.