April 22nd is Earth Day, an international celebration of our one and only planet Earth! To mark the occasion, check out our special minisite related to environmental awareness, conservation, and humans’ role in the health of our home planet. You can learn about natural resources; environmental effects such as the greenhouse effect and global warming; and how things like fossil fuels and pollution affect the Earth. For special tips from Tim and Moby on how you can do your part to help keep the planet livable for everyone, you can also watch movies such as Recycling and Humans and the Environment!