2012-06-07. Warming nears point of no return, scientists say

posted Jun 19, 2012, 10:13 AM by Lisa Ou
 | by David Perlman, SF Gate. An article relevant to GSS Population Growth chapter 8, Ecosystem Change chapter 6, Climate Change chapter 10, and Losing Biodiversity chapter 8. Excerpt:  The Earth is reaching a "tipping point" in climate change that will lead to increasingly rapid and irreversible destruction of the global environment unless its forces are controlled by concerted international action, an international group of scientists warns. Unchecked population growth, the disappearance of critical plant and animal species, the over-exploitation of energy resources, and the rapidly warming climate are all combining to bring mounting pressure on the Earth's environmental health…scientists from five nations, led by UC Berkeley biologist Anthony Barnosky, report their analysis Thursday in the journal Nature….Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2012/06/06/BA1T1OT26G.DTL