NASA
Nasa: Climate Kids: What Is the Greenhouse Effect
Find out how Earth's atmosphere acts like a greenhouse, and the effect this has on ecosystems.
Instituto Latinoamericano de la Comunicacion Educativa
La Ciencia Para Todos: Quimica
Some of the topic discussed here are electrode, electrochemical corrosion, cathode protection, soil erosion, heat and work, chemical reaction and heat, the green house effect and the kitchen and chemistry.