RedOrbit: In a finding that comes as little surprise, the United States and China were found to be among the top seven countries that contributed to global warming in the last century.
The study, carried out by scientists at the University of Concordia, also added Russia, Brazil, India, Germany and the United Kingdom to that list. Taken together, these countries were responsible for up to 60 percent of global warming between 1906 and 2005, they report. That accounts for 0.7 degree Celsius of the 0.74 degree...