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Kim Cobb, a professor at the Georgia Institute of Technology in Atlanta, is one of a small but growing minority of academics 1． are cutting back on their air travel because of climate change. Travelling to conferences, lectures, workshops, and the like frequently by plane   2．（view） as important for scientists to get together and exchange information. But Cobb and others 3． （be） now questioning that idea pushing conferences to provide more chances to participate remotely, and 4．（change） their personal behavior to do their part in dealing with the climate change crisis. On a website called No Fly Climate Sci, for example, 5．（rough） 200 academics - many of them climate scientists 6． （promise） to fly as little as possible since the effort started two years ago.

Cobb, for her party, started to ask conference organizers who invited her to speak 7． she could do so remotely; about three-quarters of 8． time, they agreed. When the answer, was no, she, declined the 9． （invite）. That approach brought Cobb's air travel last year down by 75%, and she plans 10．（continue） the practice. "It has been fairly rewarding. ", she says, "a really positive change."