A majority of Americans believe there's strong evidence that the Earth's temperatures are on the rise, according to polls by The Washington Post and, more recently, the Pew Research Center. But the percentages saying so have dipped since the middle of the decade, as Republicans and conservatives became more skeptical about climate change.
SOURCE: Research, WP-ABC News polls; data, Pew Center poll conducted by regular and cell phones Oct. 13-18 among 2,251 randomly selected adults. Sampling error: +/- 2.5 percentage points
Climate change talks face crucial test Article | As representatives from nearly 200 nations prepare to gather for United Nations-sponsored climate talks in Cancun this week, a central question looms: Can they achieve enough to keep the negotiations alive?