The document discusses four organizations - GLSEN, UNICEF, Wycombe Youth Action, and Reading Mencap - and their purposes regarding social action and community media action. GLSEN seeks to end harassment and discrimination based on sexual orientation, gender identity, and gender expression in K-12 schools in the US. UNICEF is a UN program that provides long-term support for mothers and children in developing countries. Wycombe Youth Action is a local youth organization in High Wycombe that empowers young people. Reading Mencap provides information and support for those with learning difficulties, disabilities, and autism.