Saturday, April 19, 2025
The History of Environment in Canada
Year
1991
The Canada United States Air Quality Agreement
The Canada-United States Air Quality Agreement was signed by Canada and the United States to address transboundary air pollution leading to acid rain. Both countries agreed to reduce emissions of sulphur dioxide (SO2) and nitrogen oxides (NOx), the primary precursors to acid rain.
Source: Government of Canada: Timeline: Major Milestones of Environment and Climate Change Canada https://www.canada.ca/en/environment-climate-change/campaigns/50-years-environmental-action/eccc-timeline.html
