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Special report

Race Against Climate Change

Race Against Climate Change is at the heart of Canada's National Observer's journalistic mission and coverage. It began with the launch of the publication in 2015. Thousands of articles later, the world continues to warm and the race has intensified. Follow this special report to learn how your country and the world is (or isn't) tackling this enormous challenge. This report is produced in collaboration with the Institute for Sustainability, Education and Action (I-SEA).

2583 Articles

The list of wildfire smoke’s long-term health risks continues to grow

Smoke contains microscopic particles known as PM 2.5 because the PM (particulate matter) measures 2.5 microns or less — small enough to easily wiggle its way into our lungs and then into our bloodstreams. Researchers have already connected the particulate matter in wildfire smoke to a higher risk of strokes, heart disease, respiratory disease, lung cancer and other serious conditions.