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Ryan Larsen
Ryan Larsen Campaign leader

Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over the past one to two centuries. Climate…Read More

global warming | Definition, Causes, & Effects

Encyclopedia Britannica
Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over the past one to two centuries. Climate scientists have since the mid-20th century gathered detailed observations of various weather phenomena (such as temperatures, precipitation, and storms) and of related influences on climate (such as ocean…Read More
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