Kindergarten students from Westwood Charter School sign  Treesavers' petition during Santa Monica College's 'Focus the Nation Teach-In on Global Warming Solutions' at the SMC Amphitheater on Thursday, Jan. 31, 2008. The Nation Teach-In was presented by the Santa Monica College Associated Students, SMC Academic Senate, SMC Eco-Action Club, and Sustainable Works. Speakers included SMC President Dr. Chui L. Tsang