• 8 DVDs

• 2 Climatic changes
• 2 Social aspects
• 1 Afghan War, 2001-2021
• 1 Anti-war demonstrations
• 1 Biology teachers
• 1 Brain
• 1 Child development
• 1 Children
• 1 Cosmology
• 1 Diamond, Marian Cleeves
• 1 Early childhood education
• 1 Early release programs
• 1 Earth sciences
• 1 Ecology
• 1 Education, Elementary
• 1 Education, Secondary
• 1 Energy industries
• 1 Environmental aspects
• 1 Environmental engineering
• 1 Exobiology
• 1 Exploration
• 1 Fossil fuels
• 1 Global warming
• 1 History
• 1 Internet and teenagers

• 1 Abraham, Nancy
• 1 Beins, Simon
• 1 Ben-Dov, Ariella J.
• 1 Benjamin, Medea, 1952-
• 1 Bialik, Mayim
• 1 Brown, Lester
• 1 Cagan, Leslie
• 1 Cheney, Ian
• 1 Chicken & Egg Pictures (Firm)
• 1 Chou, Elle
• 1 Cribbs, Janie
• 1 Duane de la Vega, Kelly
• 1 Dworkin, Mark
• 1 Fox, Josh, 1972-
• 1 Galloway, Katie
• 1 Ground Productions
• 1 Guddemi, Marcia Priess
• 1 Gómez, Daniel
• 1 HBO Documentary Films
• 1 Hayden, Tom
• 1 Heaney, Michael T.
• 1 Independent Television Service
• 1 International WOW Company
• 1 Jones, Van

• 1 Swiss German

• 2 California
• 2 United States
• 1 Iraq
• 1 Langnau am Albis
• 1 Mars (Planet)
• 1 Outer space
• 1 Switzerland
• 1 Washington (State)
• 1 Whidbey Island

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