Learn all about tropical rainforests.  Graphics, diagrams, and video images help us understand tropical rainforests: biomes, ecosystems, characteristics, climate, their importance in removing carbon dioxide from the air, medicines from the rainforest, biodiversity, deforestation, the importance of environmental protection, the layers of a rainforest, rainforests and climate, photosynthesis, greenhouse gases and global warming, transpiration, and saving the rainforest. Multiple-choice reviews at the end of each segment reinforce important concepts.