• MSNBC/AP, Friday, November 2, 2007 10:30 AM

Former President Bill Clinton says that his foundation is teaming up with Wal-Mart to save cities money on environmentally friendly supplies by buying in bulk. Speaking to more than 100 mayors at a climate summit organized by the U.S. Conference of Mayors yesterday, Clinton announced that the 1,100 cities represented by that organization will become part of the purchasing group.

Clinton and many of the mayors present criticized the White House, saying it has done little about global warming and has missed a chance to boost the nascent "green collar" economy -- the jobs created by making the U.S. more sustainable, from the people who install solar panels to scientists who develop new technologies.

Cities cover just 2% of the planet's land but are responsible for three-quarters of its greenhouse gas emissions. Wal-Mart, which has embarked on an environmental drive to cut costs and burnish its reputation, is offering to help the mayors as it has met resistance in some big cities to expand from its rural and suburban base.

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