"write a story in fewer than 5000 words set in a possible future shaped by climate change. ... Kim Stanley Robinson will be judging entries with the grand-prize winner getting $1,000. "
http://aobblog.com/2015/10/create-an-imaginary-future-and-help-shape-tomorrows-reality/
Deadline is January 15, 2016
This is also posted at http://elainegrey.dreamwidth.org/579329.html .