The document discusses several programs aimed at engaging teenagers in environmental issues and sustainability efforts. It describes Teens Turning Green, a student-led movement started in 2005 that advocates for environmentally responsible choices. It also outlines the Green Teens program, which provides job training and life skills to low-income and at-risk youth in San Francisco, focusing on careers in urban forestry. The document advocates for the role libraries can play in supporting these youth environmental initiatives through hosting meetings, providing resources, and helping teens conduct research projects.