http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=2860
A warmer world will have much more dangerous cloud-to-ground lightning capable of igniting more forest fires, according to a study published Thursday in the Journal Science. The research found that for each degree Centigrade (1.8°F) of global warming, lightning in the U.S. is expected to increase by 12%.
The study makes sense from basic principles, and brings up three major concerns about the impacts of a future world with more lightning:
1) More lightning-caused fires
2) More lightning-caused ozone pollution and thus global warming
3) More lightning direct strike deaths and damages
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