The document outlines a webinar event on 'Our Planet: Earth,' scheduled for February 20, 2019, organized by a collaboration of various educational organizations to engage libraries in environmental sustainability initiatives. It includes details on campaign goals, activities for citizen science, and upcoming community dialogues aimed at promoting awareness and action among teenagers. The document emphasizes collaboration, resource sharing, and the importance of libraries in fostering community engagement around environmental issues, particularly in celebration of Earth Day's 50th anniversary.