Why are the roofs of so many yellow school buses painted white? Why do skiers wear silvered goggles?
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A little more than 400 years ago, humans took the first steps down a road that would change our lives—and our planet—dramatically.
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In the U.S., more than 30 percent of CO2 emissions comes from transportation, mostly from personal cars and trucks.
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As on land, life in the ocean starts with the Sun. Sunlight nourishes microscopic plants called phytoplankton, which are eaten by tiny animals called zooplankton.
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A Climate Change exhibit demonstrates the uneven heating of the earth. Denis Finnin/AMNH
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Unlike the atmosphere, the ocean can absorb and release an enormous amount of heat with little change in temperature.
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Local utility companies will often provide an inspection or guidelines to do it yourself.
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Young animals are smaller than grown ones: that’s one way we tell them apart. But the age at which juveniles achieve full size varies from species to species.
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Learn about what makes butterfly wings so colorful, what organs they use to smell and taste, and how to identify moths.
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Some researchers think that intense volcanism could have contributed to the dinosaurs‘ decline well before a comet or asteroid impact sealed their fate.
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