It’s official – tomorrow marks the 40th anniversary of Earth Day!

Here are just a few of the events in the D.C. area to celebrate and promote sustainable cities, including those related to cycling, outdoor activities, electric vehicles and urban gardening.

Big Wheel Bikes introduces Pedego Electric Bicycles to the DC area
April 22, 3:00pm – 7:00pm
Click here for more info.

To celebrate the 40th anniversary of Earth Day on Thursday, April 22, Big Wheel Bikes will introduce Pedego Electric Bicycles to the DC area. “We will demonstrate Pedego’s complete product line at Big Wheel Bikes, 3119 Lee Highway, in Arlington, at Lyon Village Shopping Center, from 3 PM to 7 PM on Earth Day,” said Alan Levine, the Pedego distributor in Arlington, Virginia.

Chevy Senate Earth Day Drives
April 22, 2010 10:00am – 3:00pm
Click to RSVP.

Senators and staff test drive the Chevy Volt and Fuel Cell Equinox around the Russell Senate Building. The Chevy Cruze will also be on display.

Tree Planting Wheeler Terrace Apartments
April 23, 2010 8:00am – 12:00pm
Click to register.
Other tree plantings: Mayfair Mansions; Ft. Mahan Park; Michigan Park Citizens Association.

The Casey Trees Community Tree Planting (CTP) Program, established in 2005, is a grassroots approach to planting trees in neighborhoods throughout the District of Columbia. Individuals and groups interested in adding trees – ten or more – to their apartment complex, school, church, park, synagogue, or even private yard may apply.

Chevy Volt & Chevy Cruze on Display @ EPA “Earth Day” Event on National Mall
April 24, 2010 8:00am – April 25, 2010 5:00pm
Click to RSVP.

WABA’s Bike Valet at the Earth Day Network Climate Rally
April 25, 7:00am – 11:30pm
Click to volunteer.

Make a statement on Earth Day with environmental speakers and talent including The Roots, Passion Pit, John Legend, Sting and more on the National Mall. WABA will be parking hundreds of bikes for attendees and we need help! Bike valet volunteers park / check-in attendee’s bikes, return claimed bikes and help answer questions that might be asked including questions about bicycling in the area.