Global warming: Future temperatures could exceed livable limits, researchers find
Tuesday, May 4, 2010 - 17:10
in Earth & Climate
Worst-case scenarios for global warming could lead to deadly temperatures for humans in coming centuries. Researchers for the first time have calculated the highest tolerable "wet-bulb" temperature and found it could be exceeded for the first time in human history in future climate scenarios. A warming of 21 degrees Fahrenheit would put half of the world's population in an uninhabitable environment.