Almost one-third of Canadians live near a major roadway – and this means they go about their everyday lives exposed to a complex mixture of vehicle air pollutants.

A new national study led by researchers at the University of Toronto’s Faculty of Applied Science & Engineering reveals that emissions from nearby traffic can greatly increase concentrations of key air pollutants, with trucks making a major contribution. Canada’s cold winters can also increase emissions while particle emissions from brakes and tires are on the rise.

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A study by University of Toronto researchers reveals new insights about a molecular mineralization process that creates coralline algae, which grow in rock-like clusters on the ocean floor, and the marine plant’s response to climate change.

The growth patterns of coralline algae, which often form the structural base for coral reefs, can provide important information about past climate events and how aquatic organisms are reacting to new conditions caused by global warming. 

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