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Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
[citation needed] Many of those apparent discrepancies have been reconciled in the meantime, climate models have become more accurate, the scientific consensus on climate change has strengthened and so forth. For example, climatologist Kevin E. Trenberth has published widely on the topic of climate variability and has exposed flaws in the ...
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A 2019 survey indicated a clear majority of people around the world think climate change is happening and that it is all or partly down to human actions. [15] However, 17% of Americans polled agreed that "the idea of manmade global warming is a hoax that was invented to deceive people", only Saudi Arabia and Indonesia having a higher proportion ...
In recent years, fall seems to have all but disappeared — especially in the Northeast — and experts say climate change is partly to blame. In recent years, fall seems to have all but ...
The policy was taken out to cover damages from hurricanes whose severity was expected to increase due to climate change. [42] 4 November 2020 marked the completion of the process by which U.S. President Trump withdrew the country from the Paris climate agreement, the U.S. becoming the only country in the world to do so. [43]
From ancient times, people suspected that the climate of a region could change over the course of centuries. For example, Theophrastus, a pupil of Ancient Greek philosopher Aristotle in the 4th century BC, told how the draining of marshes had made a particular locality more susceptible to freezing, and speculated that lands became warmer when the clearing of forests exposed them to sunlight.