Wallace Broecker, a professor at Columbia University in New York, speaking during the Balzan Prize ceremony in Rome in 2008. Broecker, a climate scientist who popularized the term "global warming," died Monday.
Cars drive near Frankfurt Airport on Tuesday in Germany. Much of Germany's autobahn system has no speed limit, and a proposal to cap speeds at about 80 mph has sparked controversy.
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A home burns during the Camp Fire in Paradise, Calif., in November 2018. It was one of several fires often discussed in terms of the changing climate. A new survey shows a jump in the number of Americans who are "very worried" about global warming.
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Smog blankets Santiago, Chile, in June. A U.N. report warns that even a 1.5-degree C increase in global temperatures will cause serious changes to weather, sea levels, agriculture and natural eco-systems.
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As the climate warms, drought is killing large numbers of trees in California. Scientists are looking to the past to try to understand how the ecosystems of today may be changing.
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Hurricanes in 2012 and 2003 submerged parking lots and park benches, and flooded businesses along Annapolis' Dock Street. City planners estimate that, given the rise in sea level, by 2100 the flood from a once-in-a-hundred-year storm would be almost twice as high as it would be if such a storm hit today.
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