ContributorNetwork - According to National Geographic, a United Nations report indicates 2011 is looking to be one of the 10 hottest years on record. The conclusion is especially problematic since this year is part of the La Nina period, a climate pattern marked relatively cooler global conditions. In addition, this year has had numerous extreme weather events, which are often a symptom of global warming and increasing average global temperatures.
Read Entire Story: Yahoo! News: Politics News