As I put it on one of my articles in this blog: Climate change is, as far as I know, the first chance mankind gets to work together for the common good.
http://icecare.blogspot.com/2008/07/equilbrio-de-nash.html
In a recent report, UNESCO highlighted 5 glaciers on earth being irreversibly affected by climate change, with drastic consequences for the local population. Our team will climb these glaciers bringing images of the problem, and contact local population to register the impact on daily living. (pt version at: http://icecare.blogs.sapo.pt/)