Climate Challenge is a game where players control government powers to try and make a cleaner environment while also keeping their people happy to gain popularity so you wont be impeached from presidency. Players start by choosing their character. You choose something to change out of the four catagories, National, Trade, Industry, Local, and Household. In those catagories players choose form subcatagories of desisions to be made.

http://www.bbc.co.uk/sn/hottopics/climatechange/climate_challenge/