Here are just a few:

April 15 - 17, 20008, Sustainability Awareness Events - ASU

Activities include sustainability posters, games, movies, and prizes. The focus of these activities is to establish the practicality and environmental effect of sustainable living. Both the big and small everyday changes that people can make will be demonstrated. These changes include water, electricity, and gas usage, buying local and organic foods, recycling, and more. All three days 11:00 am to 1:00 pm, Hayden Lawn

April 17, 2008 - Solar Lecture - ENERGY, RESOURCES, AND REALITIES - FOSSIL FUELS TO RENEWABLES AND BEYOND

Presented by the Arizona Solar Energy Association. Location: Scottsdale Granite Reef Senior Center, 1700 N. Granite Reef Rd. This monthly event is free. 3rd Thursday, 7:00-9:00 p.m. For more information call Dan Aiello at 602.952.8192 or City of Scottsdale at 480.312.2245.

April 19, 2008, Estrella Celebrates Earth Day - 10:00 a.m. to 2:00 p.m.

To honor Mother Nature and remind everyone to do their part in preserving this beautiful planet, Estrella will be hosting an Earth Day celebration at the Estrella Lakeside Amphitheater. The afternoon event will include educational displays, children's activities, live entertainment and a farmers market for the whole family to enjoy.

http://www.estrella.com/events/eventDetail.aspx?id=19

Apr. 19, 2008 (Saturday) Arizona Science Center 10 a.m. - 4 p.m.

Join Arizona Science Center in celebrating Earth Day and learn how plants play a vital role in our environment. Various hands-on activities and demonstrations will be conducted by local organizations. Take home “The Happy Earth Day Activities Book” with Earth-friendly activities to do with your family.

We are located at 600 East Washington Street, Phoenix, Arizona 85004 in the Heritage and Science Park in Copper Square.

Parking Garages: The Heritage and Science Park garage is located on the southeast corner of 5th and Monroe. Parking is discounted when you validate your ticket at the Science Center's Information Desk. Additional parking is available at the Plaza East garage, located on the southwest corner of 7th and Washington Streets. Validation is not always available at this location.

April 20, 2008 9-3p.m. Earth Day – It's a party for the planet! 

You are invited to a party, a "Party for the Planet", that is! Earth Day this year at the Phoenix Zoo will be celebrated on April 20th from 9 a.m. – 3 p.m.  The mother earth festivities will include games, activities and information.  Learn what you can do to help protect our Earth and all that inhabit it!   Free with general zoo admission. http://www.phoenixzoo.org/events/special_events/special_events_detail.aspx?ARTICLE_ID=100543

April 20, 2008, 1 - 3 p.m. 2nd Annual Earth Day at the Garden

Join us at our 2nd Annual Earth Day at the Garden, an afternoon at Desert Botanical Gardens in Phoenix. The program is sponsored by APS, SRP and The Pedersen Group. It will feature special guest, Diane MacEachern, the author of Big Green Purse: Use Your Spending Power to Create a Cleaner, Greener World. MacEachern will share eco-conscious ideas in sensible, time-saving ways to "go green" now and the importance of an individuals "vote" through spending power or at the ballot box and its impact on the world.

Earth Day at the Garden will include fun for kids and families with live interactions with wildlife and craft activities, such as Eco-Man, that support environmental awareness for children. Each guest will also receive a pass into the Garden's Spring Butterfly exhibit. The event is free.

WHERE: Desert Botanical Gardens, 1201 N. Galvin Parkway, Phoenix

http://azlcv.org/earthday.html

April 22, 2008, Tempe Earth Day 5 K Race - 6:30 pm

Join the City of Tempe in an effort to celebrate all things green on Earth Day by participating in a 5K run and expo to raise awareness of environmentally friendly practices. The race starts at the Tempe Center for the Arts and runs along the south bank of Tempe Town Lake. Click here to view race route. Beatles Tribute Band Ringo McLennonson will perform for runners and expo guests.

http://www.tempe.gov/lake/earthday5k.htm

April 26, 2008 - Earth Active Day, Superstition Farm, 10am – 5pm
Where: 3440 South Hawes Rd in Mesa, AZ 85212
Find out how families can have fun while taking action for Mother Earth with Earth Scouts and Roots & Shoots.

http://www.superstitionfarmtours.com/page/page/5774520.htm

April 27, 2008 - Peace On Earth Day Festival - 10 am to 4 pm,  Steele Indian School Park

Come celebrate all that has been accomplished and learned during the semester of 
service, "Peace in the Street," and provide more opportunities for concerned 
individuals, business, and non-profits to network and share opportunities, ideas, 
and dreams to create a more sustainable future and peace on Earth..

http://peaceonearthday.net/

May 3, 2008 - Green Living Conference, Phoenix Zoo Pavilion, 9am - 5pm

This event is designed to educate and promote sustainable practices, renewable energy use, and environmental responsibility in the way we work, play and live. Gather with other like-minded eco-conscious people to share in raising awareness of how to live a greener life. Enjoy an extraordinary selection of informative and inspiring presenters who will speak about various "green" topics such as solar technology, green building, rainwater harvesting, permaculture, renewable energy, organic gardening, etc. You will learn how to better utilize available resources and implement into your lives - for your families, the planet and our ecosystem.  Phoenix Zoo Pavilion at 455 N. Galvin Parkway

http://www.greenlivingconference.com/