• Wash clothes in cold water whenever possible. As much as 85 percent of the energy used to machine-wash clothes goes to heating the water.

• Unplug appliances when you’re not using them. Or, use a “smart” power strip that senses when appliances are off and cuts “phantom” or “vampire” energy use.

• Recycled paper requires 64% less energy than making paper from virgin wood pulp, and can save many trees.

• It takes 90% less energy to recycle aluminum cans than to make new ones.

• One gallon of motor oil can contaminate up to 2 million gallons of water. So dispose of properly!

• 14 billion pounds of trash is dumped into the ocean every year.

• The energy we save when we recycle one glass bottle is enough to light a traditional light bulb for four hours.

Sources:
http://www.yumsugar.com/Earth-Day-Fun-Facts-219708

http://green.yahoo.com/global-warming/lime-68_pg10/top-ten-ways-to-be-green.html