The Tell Me Why Series, based on the books by Arkady Leokum, gives informative and easy-to-understand answers to the many questions children ask about everyday subjects. "Water & Weather" focuses on questions like: Why do we have different seasons? What is a rainbow? Why does thunder follow lightning? What is water? How were oceans formed? What is the Gulf Stream? Topics in this episode include: Weather, Rain, Storms, Wind, Fog, Snow, Water, Waterfalls, Ice. "Ecosystems & Environment" focuses on questions like: What is an Ecosystem? How do we benefit from Ecosystems? What is a biosphere? What is the rainforest? What is a wetland? What is biodiversity? What is conservation? What is Global Warming? Topics in this episode include: Biosphere, Rainforest, Alternative Energy, Renewable Energy, Greenhouse Gases, Acid Rain, Biomass, Solar Energy. Grades 1-6. 60 minutes on DVD.