Earth Day activities for teachers to use when planning lessons for students about Earth Day.   Learn about the history of Earth Day, famous environmentalists, books to use with Earth Day, endangered animals, Earth Day Groceries Project, Earth Day Coloring and Activity Book, recycling information and interactive games for students to play. Websites help meet the Fourth Grade Standards for Environmental Education.  Standards that are addressed are:  Identify environmental problems and issues, apply ideas of past, present and future to specific environmental issues,  identify some of the decisions and actions related to the issue, and identify people and groups of people that are involved in the issue.