It's Earth Day weekend, so get on out there and celebrate this greenest of holidays!

Atlanta: Arms Around Atlanta sounds like a blast. It's all going down at Grant Park on Saturday & Sunday.

Boston: Clean Up the Charles on Saturday, April 21!

Chicago: Check out Green Festival happening all weekend long! Green vendors & organizations galore!

Dallas: Run, don't walk to downtown today for EarthFest from 10am - 2pm.

Denver: Visit the Denver Museum of Nature & Science and enjoy yourself at their Earth Day Renewable Energy Expo April 21-22.

Houston: The Houston Zoo is celebrating Earth Day all weekend - family fun.

Los Angeles: Lots to choose from. Clean Rivers, go to a Conscious Living Fair, or Let Worms Eat Your Garbage!

Miami: Check out EarthFest:WaterFest Gone Green a full day of music, eco-village, food, and fun. (Organized by yours truly.)

New York: Choose from a variety of events, and don't forget the slideshow in Grand Central!

San Francisco: Get on over to East Bay on Saturday and have fun at the Berkeley Earth Day Festival.

Seattle: Do a little Earth Day tour and check out several events this weekend in Seattle.

Washington, D.C.: Go to GreenDC Week Earth Day Celebration or check out some other events.

I didn't mention your city? Search for local events at Earth Day Network or EnviroLink.

Rather not party it up? Do something green like a beach clean-up or planting a tree.