An article that quite surprised me in Wired about the Bali summit mentions that Mexico is actually doing quite a bit to tackle climate change and is leading the efforts to cap emmissions, having started at home.
The Missioners of Guadalupe won the Ohtli award, given to those who raise the profile of the country abroad, for their charity activities in Kenya. I met one of them in Brussels half a year ago, and he told me the challenges they had working there.