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 Infographic Practical Measures to Reduce Air Pollution from Ships Infographic Pollution Types from Marine Shipping Video Clear Seas: Roger Thomas, Retired Executive Vice President North America at Nexen Inc