What does being "green" really mean?

"There are no passengers on Spaceship Earth. We are all crew." ~Marshall McLuhan, 1964

Today, April 22 is the official anniversary of Earth Day which was first observed in 1970. Since then, both national and local groups hold celebrations, usually either the weekend before or after. In Ann Arbor, Earth Day festivities will be sponsored by the Leslie Science Center on Sunday, April 27. To become more knowledgeable about enviromental issues, check out the Library's wide ranging collection of materials on global warming and energy conservation.