In this Sept. 4, 2011 file photo shows the main plant facility at the Navajo Generating Station, from Lake Powell, in Page, Ariz. The United Nations climate chief is urging people not to look solely to their governments to make tough decisions to slow global warming, and instead to consider their own role in solving the problem. (AP Photo/Ross D. Franklin, File)

Photo by: Ross D. Franklin

In this Sept. 4, 2011 file photo shows the main plant facility at the Navajo Generating Station, from Lake Powell, in Page, Ariz. The United Nations climate chief is urging people not to look solely to their governments to make tough decisions to slow global warming, and instead to consider their own role in solving the problem. (AP Photo/Ross D. Franklin, File)