Thursday, April 20
Computer Recycling Event Celebrate Earth Week by recycling your old computer. Apr 20, Apr 21, Apr 22 and Apr 23, 10 am-6 pm. Computation, 2444 Bloor W. 416-629-5667.
Gpi: The Global Pollution Index Talk on a market-oriented solution. 7 pm. Free. OISE, 252 Bloor W. 416-705-6516.
Healthy Mind, Body, Planet Tour Multimedia tour, tabloid and documentary. 7 pm. Free. Earth Sciences Bldg, 33 Willcocks. www.greenspiration.org.
Friday, April 21
Earth Day At Humber Environmental displays, samples, a clean-up, barbecue and more. 11 am-2 pm. Free. Humber College, 205 Humber College Blvd. 416-675-6622 ext 5127. Roots & Shoots Day Of Action Neighbourhood clean-up, mural painting and more celebrate Earth Day. 9 am-3 pm. Free. Downtown Alternative School, 85 Lower Jarvis. 416-698-5876.
Walk For Earth Day Walk through a labyrinth. Noon-1 pm. Free. Toronto Public Labyrinth, Trinity Square (behide the Eaton Centre). 416-489-4471.
Saturday, April 22
The Basics Of Ecological Gardening Workshop. 10 am. Free. Eglinton Park Heritage Community Garden, 200 Eglinton W. 416-781-7663.
Blue Sky Revival Earth Day festival with music Edge City Outlaws, Serena Ryder and others plus environmental displays. 7 pm. $20, adv $15 (all ages). Opera House, 735 Queen E. 416-466-0313.
Earth Day Bioblitz Join scientists as they make a biodiversity assessment of local flora and fauna in our backyards. 10 am-3 pm. Free w/ admission. Ontario Science Centre, 770 Don Mills. 416-429-4100 ext 2743. Earth Day Spring Festival Sierra Club eco-fair with music, kids' entertainers, eco-workshops, a waterfront clean-up and more. 10:30 am-4 pm. Free. Budapest Park, foot of Roncesvalles. 416-960-9606. Earth Day Tree Planting Festival Live animal show, environmental displays, crafts, an organic market, tree-planting and more. Noon-4 pm. Free. Downsview Park, Keele and Sheppard. 416-954-0544, www.pdp.ca.
East Don River Urban ecology walk. 2 pm. Free. Leslie and Steeles Ave. 416-593-2656.
The End Of Suburbia Earth Day screening and Q&A with film producer Barry Silverthorn. 7 pm. $10, stu/srs/unwaged $5. Bloor Cinema, 506 Bloor W. 416-516-2330, www.endofsuburbia.com.
Environment Days Community recycling events with free compost, recycling info and more happen at parks and rec centres across the city to Sep. Free. www.toronto.ca/environment_days.
Limehouse Bus hike with Toronto Bruce Trail Club. 9 am. $16. York Mills subway. www.torontobrucetrailclub.org.
Sunday, April 23
Beaches Glen Stewart Ravine Cleanup Annual neighbourhood cleanup. 10 am-3 pm. Free. Glen Manor Rd. 416-693-9419. Earth Day Celebration Storytelling, hikes, enviro displays and more. Noon-3 pm. Free. Earl Bales Community Ctr, 4169 Bathurst. 416-395-7873. Gibraltar Sand Dune Restoration Plant shrubs to help stabilize the sand dune ecosystem. 10 am. Free (free ferry). Hanlan's Point ferry dock, foot of Bay. Pre-register 416-598-2277.
Iroquoia Bus hike with Toronto Bruce Trail Club. 9 am. $16. York Mills subway. www.torontobrucetrailclub.org.
Lost Ponds Of Silverthorn Urban ecology walk. 6:30 pm. Free. Caledonia Rd and Eglinton W. 416-593-2656.
Welcome Home Cormorant Day Watch cormorants, gulls and herons as they prepare their nesting sites. 11 am-4 pm. Free. Rectory Cafe, Ward's Island. 416-785-8636.
Tuesday, April 25
Homes Around The World Designer Peter Busby speaks about sustainable home design. 6:30 pm. $20, adv $10-$15. Design Exchange, 234 Bay. 416-363-6121.
Sorauren Park Community forum on the future of the park. 7:30 pm. Free. Fern Ave Public School, 128 Fern. 416-588-1195.
Trillium And Toronto Island Mike Filey talks on the history of Toronto Island. 7:30 pm. $10. Enoch Turner Schoolhouse, 106 Trinity. 416-863-0010.
Wednesday, April 26
Riversides Info session for those interested in volunteering to clean rivers. 6-7:30 pm. Free. Metro Hall, 55 John. 416-868-1983.
Toronto Island Sailing Club Open house and info night. 6-8 pm. Free. Toronto Reference Library, 789 Yonge. 416-432-6275.
Friday, April 28
Hair (Toronto Bay Initiative) Benefit performance of the rock musical. 8 pm. $85. St Lawrence Centre, 27 Front E. 416-598-2277.
Critical Mass Group ride for bicycle rights on city streets. Apr 28 and May 26, 6:30 pm. Free. Bloor and Spadina. www.cmtoronto.ca.
Saturday, April 29
Cn Tower Climb (World Wildlife Fund Canada) Take the 1,776-step challenge to help fight global warming. 6-11 am. $50 min pledge. CN Tower, 301 Front W, mezzanine. 416-484-7700, www.wwf.ca.
Caledon Hills Bus hike with Toronto Bruce Trail Club. 9 am. $16. York Mills subway. www.torontobrucetrailclub.org.
Three Waterfalls Falls Bus hike with Toronto Bruce Trail Club. 9 am. $16. Islington subway. www.torontobrucetrailclub.org.
Sunday, April 30
Spring Shoreline Cleanup Help Toronto Bay Initiative clean up garbage from various shorelines. 10 am-noon. Free. Pre-register 416-598-2277.
Sunday, May 7
Toronto's Environmental Back Door Urban ecology walk. 2 pm. Free. St Clair and Gunn's. 416-593-2656.
Tuesday, May 9
Cycling And Transit Working Group Meeting to discuss integrating cycling and transit. 6:30 pm. Free. City Hall, Queen and Bay. www.toronto.ca/cycling/committee/cycling_transit.htm.
New Century, New Waterfront Former mayor David Crombie talks on seeing the shape of things to come. 7:30 pm. $10. Enoch Turner Schoolhouse, 106 Trinity. 416-863-0010.
Thursday, May 11
Water Features From The Ground Up Talk by Belinda Gallagher and plant show. 7:30 pm. Free. Leaside Library, 165 McRae. www.leasidegardensociety.org.
Saturday, May 13
Ride For The Rouge 25 K ride around the Rouge Valley on quiet streets plus a 50 K advanced ride. 9:30 am-3 pm. Free. Rouge Valley Conservation Centre, 1749 Meadowvale. 416-750-7172 ext 3238.
Monday, May 15
Toronto Cycling Committee Help advise city council on the design, development and delivery of bicycle policies, programs and facilities. 7 pm. Free. City Hall, Queen and Bay. 416-392-7592.
Wednesday, May 17
Sustainable Buildings Lecture by architect Donald Schmitt. 10:30 am. $5. Emmanuel College, 75 Queen's Park Cres. 416-946-5185.
Wednesday, May 24
Homes Around The World Architect Tjerk Reijenga speaks about sustainable home design. 6:30 pm. $20, adv $10-$15. Design Exchange, 234 Bay. 416-363-6121.
Friday, May 26
Critical Ass Strip as bare as you dare for a fun ride. 10 pm. Free. Bloor and Spadina. firstname.lastname@example.org.
Sunday, May 28
Giro T.o (Villa Charities) Fundraising ride through Toronto with an Italian twist. 8 am-2:30 pm. Pre-register 416-789-7011 ext 306, www.villacharities.com.
Monday, May 29
Group Commute And Pancake Breakfast Commuting cyclists converge on Nathan Phillips Square for a free breakfast. Meet at Bloor & High Park (7:30 am), Yonge & Lawrence (7:30 am), Danforth & Woodbine (7:30 am), Dundas & Kingston (7:30 am), Bloor & Yonge (8 am) and other community intersections. Free. 416-392-7592, www.toronto.ca/cycling.
Toronto Island Tour Of Trees Lesiurely 10 K ride. 6:30 pm. Free. Ward's Island Ferry Dock, foot of Bay. 416-392-8196.
Tuesday, May 30
Lunch And Learn Seminar on protecting your bike and creating a bike-friendly workplace. Noon-1 pm. Free. Centre for Social Innovation, 215 Spadina. 416-999-1066.
Wednesday, May 31
Safe Cycling In The City (Bicycle Advocacy in Toronto) Workshop on the basics of safe cycling. 7:30-9 pm. $10. Grassroots Danforth, 372 Danforth. 416-466-2841.
Thursday, June 1
Remembering Cyclists Night to commemorate and remember friends lost on the road. 9:30-10:30 pm. Free (bring candles). Yasi's Place, 299 Wallace. 416-536-9888.
Saturday, June 3
Cycle The Don 12 K tour of the Don River. 10 am. Free. Victoria Park subway. 416-392-0401.
Dogs And Horses: Toronto's Junction In The Great War Urban ecology walk. 1:30 pm. Free. Keele and Dundas W. 416-593-2656.
Sunday, June 4
Ride For Heart (Heart and Stroke Found) Canada's largest charity cycling event on the Don Valley Parkway. www.heartandstroke.ca/rideforheart.
Sunday, June 11
Take The Tooker En Masse Support the late bike activist Tooker Gomberg's vision of a bikeway connecting cyclists from Mississauga to Scarborough through the downtown. Noon. Free. Kipling subway and Kennedy subway. 416-531-3746 ext 1, email@example.com.