This is all over the Internet, the BBC do a good job of rounding it up.
The most comprehensive survey ever into the state of the planet concludes that human activities threaten the Earth’s ability to sustain future generations. The report says the way society obtains its resources has caused irreversible changes that are degrading the natural processes that support life on Earth. This will compromise efforts to address hunger, poverty and improve healthcare. The Millennium Ecosystem Assessment was drawn up by 1,300 researchers from 95 nations over a period of four years. It reports that humans have changed most ecosystems beyond recognition in a dramatically short space of time.