Researchers Observe Climate Change, First-Hand

Craig Allen, research ecologist, United States Geological Survey
George Divoky, director, Friends of Cooper Island (Alaska)
Richard Harris, science correspondent, NPR

As the climate changes, scientists are documenting measurable shifts in the natural world ? from a tremendous loss in Arctic sea ice and an increase in extreme weather like drought, floods and heatwaves, to the migration of plants and animals to new latitudes.

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