Researcher Marc Cadotte found some cities saw a 20 to 40 per cent reduction in air pollution.
Dirty air can have major consequences for our health, especially now.
"The general idea that air pollution levels in Canada could go kind of in the wrong direction is scary."
My administration is firmly committed to fighting greenhouse gas emissions, a battle we will fight on every front.
There are thousands of local governments that have been making great progress on the ground, and are willing and ready to do more.
The Canadian Environmental Protection Act is Canada's most important environmental law. And yet, in the likely event that you are not an environmental lawyer, you have probably never heard of it.
Ontario's health-based air quality standard for benzene is set to become law on July 1, 2016. Yet Ontario's Ministry of the Environment and Climate Change is working to accommodate a request from two of the province's largest industrial benzene emitters -- the petroleum refining and petrochemical manufacturing industries.
Canada will see 300 deaths, $1.6 billion in costs by 2060.
Whether included in an existing law such as the Canadian Environmental Protection Act or by way of a new statute, national and enforceable air pollution standards would be a step towards a more equitable society, in which disadvantaged communities aren't left bearing more than their fair share of the national environmental health burden.
Has it really come to this?