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Thanks for joining the march. Now tell your friends in these important cities.

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StopGlobalWarming.org and the Sierra Club’s Cool Cities program will be focusing next on the mayors of these important cities to sign The U.S. Mayors Climate Protection Agreement.

Please encourage your friends and family in these cities to petition their mayors to sign the Climate Protection Agreement. Enter their email addresses in the form below and we’ll send them an invitation to participate.

About The U.S. Mayors Climate Protection Agreement. The Agreement, initiated by Seattle Mayor Greg Nickels, was introduced on February 16, 2005 — the same day that the Kyoto Protocol international global warming treaty took effect for participating countries. The agreement calls for Mayors of our cities to implement carbon dioxide restrictions on a local level, and is quickly gathering support around the country, recently earning the backing of the U.S. Conference of Mayors.