12 May '11, 8pm

How does climate change contribute to heavy rain and flooding?

How Does Climate Change Contribute to Heavy Rain and Flooding? Scientists have determined that loading the atmosphere with increasing carbon dioxide and other heat-trapping emissions is raising global temperatures and triggering heavier precipitation events. How is this happening? Carbon dioxide from burning fossil fuels and destroyed tropical forests accumulates in the atmosphere, trapping heat that would otherwise escape into space, This trapped heat raises the planet’s average temperature. Some of the extra heat evaporates water from the ocean and soil into the atmosphere. Additionally, growing plants transfer water vapor into the atmosphere. As average global temperatures rise, the warmer atmosphere can also hold more moisture, about four percent more per degree Fahrenheit temperature increase . Thus, when storms occur there is more water vapor available in the atmosph...

Full article: http://www.ucsusa.org/news/press_release/climate-change-h...

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