Infographic Air Pollutant Emissions from All Sources in Canada Share Regulations have positively impacted air quality in Canada with the majority of air pollutants decreasing significantly since 1990. Published March 25, 2020 | Last modified on June 20, 2024 You may also be interested in Video Why Marine Shipping Matters Infographic Areas of Response & Response Assets Report 2022 Public Opinion Poll: Canadians’ Attitudes Towards Marine Shipping