Smoke from wood burning, however, pumps four times more particulate pollution into the air as the dozens of power plants in the basin. And the pollution itself can be far more hazardous than other kinds of air pollution.

Wood smoke is mainly made up of particles 2.5 microns in size, or smaller. Such particles are estimated to cause 5,000 premature deaths in the basin each year. They can worsen heart and lung disease, and could cause cancer.

Imagine the damage wood smoke does around the world. We need to do better.

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