From the “National Library of Medicine”. Worldwide, ozone is responsible for several hundreds of thousands of premature deaths and tens of millions of asthma-related emergency room visits annually. To combat ozone pollution globally, more aggressive reductions in fossil fuel consumption are needed to cut NOx and VOCs as well as greenhouse gas emissions. 
PHOTO: Outside Chemist Warehouse and one of the busiest pedestrian crossings in the Lower North Shore where you can wait up to 4 minutes in OZONE but the council believes canopy outweighs several hundreds of thousands of premature deaths and tens of millions of asthma related emergency room visits?