Not sure, AFAIK there really isn't one. SimEarth can be made to simulate global warming, but it is very dated (and the Gaia hypothesis is wrong). Some version

Not sure, AFAIK there really isn't one. SimEarth can be made to simulate global warming, but it is very dated (and the Gaia hypothesis is wrong). Some versions of Civilization can somewhat simulate AGW, I believe, too. From the recent ones, Eco and Block'n'hood have ecological themes. Haven't played the first, the second is only local ecosystem.