Ontario Chapter

At Sierra Club Ontario, our work mainly focuses on protecting the Great Lakes ecosystem, growing and protecting the Greenbelt, and promoting Green Energy adoption in Ontario. Sierra Club Ontario also works on very local issues, in coordination with smaller communities in Ontario.

What's happening at the Ontario Chapter?

UPDATE: Sierra Club's Michigan Chapter opposes OPG's Deep Geological Repository proposal in submission to LAMP

Yvonne Ho — September 26, 2017

In April 2017, we provided an update on the Canadian Environmental Assessment Agency's (CEAA) criticism that OPG's report on its Lake Huron Deep Geological Repository (DGR) project proposal was inadequate and failed to provide information the government had requested, asking it to try again. This resulted in a delay in the Federal Minister's decision on the project until later next year. 

Part V: The Importance of Protecting Ontario’s At-Risk Species

Yvonne Ho — September 19, 2017

This blog is Part V of a 5-part blog series, as part of our Biodiversity Video Campaign.

"Ontario is home to a diverse collection of ecosystems but every year, more plants and animals are added to Ontario’s list of species at risk, which now numbers more than 200."

Biodiversity describes the diverse species of plants and animals in an ecosystem.

Let's Save our Bees!

Yvonne Ho — September 15, 2017

Are you interested in learning about bees and local pollinators, including causes for their decline and actions you can take to help support their habitat?

Come out and attend our FREE WORKSHOP on September 29th, from 11am -12.30pm, at University of Toronto's Hart House! Refreshments including local honey and organic fruits will be provided.

Spaces are limited, so REGISTER NOW! 

Part IV: Boosting Biodiversity by Protecting our Forests, Wetlands & Watersheds

Yvonne Ho — August 28, 2017

This blog is Part IV of a 5-part blog series, as part of our Biodiversity Video Campaign.

"Forests, wetlands and the watersheds they strengthen, are essential players in biodiversity and not only offer us a natural water filtration system, but are essential to the health of the natural environment."

Biodiversity Jenga

The success of ecosystems of any shape, size or type depends on the health of the resources that it relies upon.

Part III: Persevering for our Pollinators

Yvonne Ho — August 11, 2017

This blog is Part III of a 5-part blog series, as part of our Biodiversity Video Campaign.

"Pollinators are responsible for an estimated one out of three bites of food that people eat, which is worth billions of dollars to the North American economy."

The decline of the monarch butterfly and bee population has been a focal point of many conservationists and environmental groups over the past two decades.

Part II: Let’s Get Motivated for Biodiversity by Protecting Canada’s Lands & Freshwater

Yvonne Ho — July 27, 2017


This article Part II of a 5-part blog series, as part of our Biodiversity Video Campaign.

"When ecosystem services are compromised, economic and health impacts such as lower agricultural productivity and lower quality drinking water can result, raising costs for Canadian, industry and governments."


Come run with Sierra Club Canada Foundation and fundraise for the Planet!

Yvonne Ho — July 18, 2017


Do you have a passion for the environment and want to do something to help stop Climate Change? Would you love to be part of something bigger and make an impact in your community? Are you looking to get back in shape and achieve your 2017 fitness goals? Or... do you just simply enjoy running for the fun of it?

Red Flags Waving for Rouge National Urban Park

Yvonne Ho — July 4, 2017

The following article was written by Stephanie Hulse, Sierra Club Ontario's Environmental Outreach Coordinator.

Did you know that in the heart of Ontario’s Greenbelt - a swath of federal protected conservation land that reaches from Niagara to Northumberland (also known as the Greater Golden Horseshoe) - is a national park under threat from a range of sprawl-related issues?

The case against urban sprawl in Midhurst, Simcoe County

Yvonne Ho — June 23, 2017

"The Minesing Wetlands is a haven for wildlife in a denuded and biologically sterile environment, at risk of being washed over by shock waves of urban sprawl unleashed by a storm of developers’ greed."

The following article was written by Elder Danny Beaton of the Mohawk Turtle Clan and an internationally recognized protector of Mother Earth, a

Significant changes needed to tackle Lake Erie’s algal bloom problem

Yvonne Ho — June 22, 2017

Lake Erie's algal blooms are hurting the lake's ecosystem, Ontario’s economy, and the health of communities that depend on it.


The following article was written by Dr. Lino Grima, former professor of Water Resources Policy and Environmental Management at the University of Toronto, Chair of Sierra Club Ontario's Great Lakes Campaign and Co-Chair of Sierra Club's Binational Great Lakes Committee.

Celebrating “National Indigenous Peoples Day”: A step in the right direction

Yvonne Ho — June 21, 2017


The following article was written by Stephanie Hulse, Sierra Club Ontario's Environmental Outreach Intern.

Before I begin this blog, I must preface that I will be referring to all non- Indigenous Peoples living in the “land that is now known as Canada” as immigrant settlers.

Dan McDermott's Legacy as Freshwater Hero

Yvonne Ho — June 16, 2017

The following blog was written by Kristina Jackson, Sierra Club Canada Foundation's National Operations Director, and long time friend and colleague of Dan McDermott.

The Freshwater Hero 2017 award is a canoe-shaped piece of wood, lovely, solid and smooth. The canoe shape indicates the close connection between humans and water. And in this case it symbolizes the respect of other enviros for Sierra Club's Dan McDermott.