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How does climate change cause flooding?
Scientists have long predicted climate disruption will lead to more extreme weather, such as heatwaves, droughts, and floods.
Human emissions from engine exhaust fumes, forest burning, and other industrial activities are heating the planet.
As the atmosphere gets warmer it holds more moisture which brings more rainfall.
The world has already warmed by about 1.2 degrees Celcius since the industrial era began and temperatures will keep rising unless there are steep emission cuts.
Scientists say governments must cut the CO2 emissions that are fuelling extreme events, and prepare for more extreme weather. The world's seven hottest years in recorded history have all come since 2014. Human emissions made the deadly 'heat dome' in Canada and North America last month at least 150 times more likely. Climate change made the prolonged heatwave in Siberia last year more than 600 times more probable, say experts. On floods may be linked to a disruption of the jet stream, one theory suggests that the loss of ice in the Arctic has made the jet stream more erratic. However, there is not yet a scientific consensus on this topic, but experts are increasingly concerned.
So How does climate change cause flooding?
Global heating causes more water to evaporate, which leads to an increase in the amount of annual rain and snow. At the same time, a warmer atmosphere means it can hold more moisture which also increases the intensity of rainfall.
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