New public opinion data was gathered in Gallup’s annual environmental poll: “In 2008, a year after former U.S. vice-president Al Gore and the U.N. Intergovernmental Panel on Climate Change won the Nobel Peace Prize, two-thirds of Americans were concerned about climate change. The rate of concern among Americans has fallen steadily since then to 60 percent in 2009 and 52 percent last year. The poll also found that for the first time since the late 1990s, a minority of Americans—49 percent—believe global warming has already begun to impact the planet, down sharply from more than six in 10 Americans three years ago.”
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