ENV250Y5 Lecture Notes - Lecture 23: Smog, Sintering, Particulates
Document Summary
Natural polluters - forest fires, plan growth, animals. Human polluters - industrial sources, cars, clothes, plastics. Air polluted is responsible for 21,000 premature deaths, 92,000 emergency room visits, 620,000 visits to the doctor. Sarnia, ontario = worst air pollution in canada. Montreal = industry, transportation, wind (great lakes region), wood burning stoves and fire places. Little jurisdiction over air bc the sources of pollution are generally within provincial jurisdiction. Federal government is responsible for international treaties on trade, climate change, and pollution. Makes pollution prevention the cornerstone of national efforts to reduce toxic substances in the environment. Sets out processes to assess the risks to the environment and human health posed by substances in commerce; Provides a wide range of tools to manage toxic substances, other pollutions and wastes. Ensures the most harmful substances are phased out or not released into the environment in any measurable quantity. Includes provisions to regulate vehicle, engine, equipment emissions.
