sciencedaily.com — Between 2000 and 2004, worldwide CO2 emissions increased at a rate that is over three times the rate during the 1990s—the rate increased from 1.1 % per year during the 1990s to 3.1% per year in the early 2000s...the increases in energy and carbon intensity constitute a reversal of a long-term trend toward greater energy efficiency...
May 21, 2007 View in Crawl 4
