As the world fights a battle with the Covid-19 virus, researchers point out that deaths from air pollution constitute a far worse threat. Using World Health Organisation data, researchers estimate that some 8.8 million premature deaths annually are due to air pollution. Breaking it down further, they say that about 75 per cent of that figure is due to human-generated pollution, or some 5.5 million deaths. Dr Courtney Howard (M.D.)  is president of the Canadian Association of Physicians for the Environment ListenEN_Interview_1-20200309-WIE10 A study in Lancet in April 2011 showed that some 20 per cent of new cases of asthma in children in the big urban centre of Toronto was related to air pollution from vehicle traffic The studies suggest air pollution can shorten lifespans by up to three years. Dr. Courtney Howard (MD, CCFP-EM) is president of the Canadian Association of Physicians for the Environment, and an emergency room doctor in Yellowknife, Northwest Territories. She notes that climate change is bringing new animals and insects into the north where they've never been seen before, along with their new pathogens, some of which have the possibility of transfer to humans ( Pat Kane) Dr Howard notes that not only is air pollution a worldwide health issue for individuals, but negatively affects the economy through increased hospital visits and medical resource requirements and through loss of workdays as adults are off work, or have to take time off to care for children who are ill. Haze in the city of Montreal under a smog alert Dec. 2019. Residents of Canadian cities are not exempt from air pollution, with Toronto often registering as having one of the higher rates of childhood asthma (CBC) She points out that as these tiny particulates are so small they cross over into the bloodstream where the can influence inflammation with resultant issues of heart disease, lung infections, stroke, diabetes, and high blood pressure. She says the news of the direct health affects of air pollution should help raise awareness of situation she says we as humans have the ability to control and add to the concern about air pollution’s affect on climate. Additional information-sources The Lancet: Apr. 2019: Global, national, and urban burdens of paediatric asthma incidence attributable to ambient NO2 pollution: estimates from global datasets Fast Company: Mar 2/20: K/. Toussaint: The world is facing an air pollution pandemic Science Alert: C. Cassella: Mar 7/20:The World's Facing a Silent 'Pandemic' More Dangerous Than Most Viruses: Air Pollution National Observer: D Carrington: Apr 11/19: Canada has third highest global rate of new childhood asthma cases from traffic pollution Toxicology.org: R. Burnett et al Global Exposure Mortality Model, GEMM: Application of a new risk estimator for health impact assessment of air pollution