Smoke from Canadian wildfires continues to bring poor air quality into the Northeast U.S. and the Upper Midwest. And the exposure to wildfire smoke remains a growing health problem.
During heat waves in California, emergency rooms fill up with people. A new study explores who ends up in the ER, and how much healthcare costs will increase in the future as climate change worsens heat.
As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know.