http://msnbc.msn.com/id/14153234/

LOS ANGELES - Former President Clinton and mayors of some of the world’s largest cities announced an initiative Tuesday to combat climate change and increase energy efficiency in everything from street lights to building materials.

The partnership joins Clinton and the resources of his presidential foundation with the Large Cities Climate Leadership Group — an alliance of Rome, London, Mexico City, Los Angeles and other cities that have pledged to cut greenhouse gas emissions.

The aim is to pool technology and resources to slash the emissions that many scientists fear are contributing to global warming