Associated Press: Since world leaders last gathered in Rio de Janeiro to talk about the state of the Earth, temperatures have climbed and disasters have mounted. As diplomats discuss climate, sustainability and biodiversity, here is Earth by the numbers since 1992: TEMPERATURES: The average annual global temperature has increased 0.58 degrees Fahrenheit (0.32 degrees Celsius) since 1992 based on 10-year running averages, according to the U.S. National Oceanic and Atmospheric Administration. Every year since 1992...
URL: http://www.boston.com/news/science/articles/2012/06/20/rio_20_years_later_pollution_up_forests_down/?rss_id=Boston.com+--+Latest+news
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