Welcome! Sierra Club usually has multiple opportunities for you to explore, enjoy and protect the Earth. We endeavor to use this page as an events listing of sorts - so please check back often!

If you are particularly interested in outings we have a budding Ontario Chapter Outings Committee that would love more energy and input. Contact Kristinaj@sierraclub.ca if you want to participate.

Norval Quarry Decision Time; Natural Heritage Policy Applied with Unprecedented Rigour

By Janet Kuzniar

The City of Brampton Council will be presented a Recommendation Report by their Planning staff on Monday September 8, 7:00 pm, Brampton Council Chambers, Brampton City Hall.

The Report, based on peer reviews, recommends NOT supporting the Norval Quarry rezoning from agricultural to industrial extractive. There is a strong ecological component to this report, as the subject lands are dominated by key ecological features such as mature woodlands, watercourses, and provincially protected wetlands. This is the first time that the recently mapped  Natural Heritage System in Peel has had a quarry application, and a rigorous analysis by the City of Brampton has shown that the Norval Quarry fails the policy test. ... Read more »

Guided Bird Nature Walk July 26 - Heart Lake Conservation Area

Ever wonder who is tweeting at you?  (No not on twitter)  Come find out with us on Saturday, July 26! 

Discover the trails at Heart Lake Conservation Area, and learn about birds and other features in the area with avid naturalist and birder, Bob Noble.   

Date:  Saturday July 26, 2014

Time: 9:00 am - 10:30 am

Location:  Heart Lake Conservation Area
10818 Heart Lake Road, Brampton

Event is free, however, we ask that you RSVP so we can notify park staff and prepare for the event. 

For more information and to RSVP, visit the event page:

Visit TRCA website for applicable park fees:... Read more »

Tree Planting in Mississauga on May 31

Come join us at our Annual Tree Planting on Saturday, May 31 from 9am-12pm at Erindale Park, Mississauga!  

For more information contact Lindsey Jennings at ljennings@creditvalleyca.ca or 1-800-668-5557 ext. 445.  

Toronto's Lost Rivers

(Photo by Lake Ontario Waterkeeper)

Don't miss a talk on "Toronto's Lost Rivers"  

Wednesday, February 5th at 7pm.... Read more »

Rock the Line - No Line 9 Concert (Oct 6th in Toronto)

Free concert to raise awareness about Enbridge's Line 9 plans

Mel Lastman Square (5100 Yonge Street)

October 6, Sunday starts at 2pm

Join Environmental Defence and Sarah Harmer with Gord Downie & The Sadies, Hayden and Minotaurs  for a free concert to raise awareness about the risks of Enbridge Line 9 tar sands pipeline plan. Music, Kids’ activities, Food carts. Bring your family & friends! ... Read more »

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