Scientists Warn That World’s Wilderness Areas Are Disappearing “Wild areas provide a lot of life support systems for the planet,” said the author of a study that found 77 percent of earth’s land had been modified by humans. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Matter: Hot Heads: Why Mammals Need R.E.M. SleepNASA Mars announcement: Is THIS the biggest clue NASA has found LIFE ON MARS?EU WILL PAY: Galileo relies on stations in Falklands and Ascension – er, THEY’RE BRITISH!NASA news LIVE STREAM: How to watch the Mars announcement in just 24 hoursNASA news: Everything we know so far about Mars Curiosity Rover announcementNASA news conference: When is NASA's major Mars Curiosity Rover announcement?