Where: Cesar Chavez Plaza, Phoenix View Earth Day Phoenix 2011 in a larger map When: Thursday, April 21, 11 a.m. to 1:30 p.m.; Friday, April 22 What: The city plaza hosts dozens of earth-friendly exhibitors on April 21, followed by a tree and flower planting on April 22. More info: phoenixrecycles.org

Where: Civic Center Plaza, San Francisco View Larger Map When: Saturday, April 23, 10 a.m. to 6 p.m. What: A robust, daylong event aimed at educating and inspiring San Franciscans to focus on environmental issues and promote solution-oriented community action. Musical performers, speakers and activists will grace the stage, while workshops and community discussions will […]

Where: Kenneth Hahn State Recreation Area, Los Angeles View Larger Map When: Saturday, April 23, 10 a.m. to 6 p.m. What: A park-wide expo features healthy cooking demonstrations, youth educational activities, health screenings, eco-film festival, gardening tips for urban spaces, green job symposium, green product demonstrations, concessions and family fun, all for free! More info: […]

Where: Oakwood Homes New Home Center, Denver View Larger Map When: Saturday, April 23, 10 a.m. to 2 p.m. What: Attendees are encouraged to ditch their vehicles and bring everything from electronics, to aluminum cans and plastic bags to the event’s recycling drive, and then stick around for children’s activities, live music and information about […]

Where: Forest Park, St. Louis View Larger Map When: Sunday, April 17, 11 a.m. to 6 p.m. What: A recycling extravaganza accepting everything from computers, to art supplies, to toothbrushes and everything in between is just one of many highlights of this all-day festival. More info: stlouisearthday.org

The program is making it easier for travelers to make eco-friendly choices when booking hotels.

One Spanish company is making visually stunning, pollution-zapping building tiles that could have a major impact in cities around the world.

“Green is Good” welcomes eco-chef Bryan Au and Connect the Dots’ Maikhanh Nguyen to discuss their green initiatives.

“Green is Good” welcomes Schneider Electric’s Shon Anderson and University of North Texas’ Dr. Todd Spinks to discuss their green initiatives.

AT&T’s new iPhone/iPod Touch app caters to green living on the go.