The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.
The risk of harmful algal blooms can be reduced. The biggest drivers of the increase are farm fertilizer and climate change.
When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the harm can continue to spread long afterward.
The Trump administration’s job cuts and advisory board changes at the agency won’t change those rules, as a former EPA science adviser explains.
People living in locations that experience frequent extreme heat days age faster at the molecular level.
The chemicals emitted when buildings and vehicles burn can find their way into nearby homes. Studies show the health risks can stick around.
For example, the first Trump administration tried to use the principles of transparency to prevent federal agencies from considering major health studies when setting pollution rules.
A series of surveys in the months and years after the devastating blaze near Boulder revealed continuing health concerns in surviving buildings, and tips for how to clean up smoke-damaged homes.
The fire burned more than 1,000 homes outside Boulder, Colorado, in 2021. A series of surveys shows residents’ continuing health concerns, and tips for how to deal with smoke-damaged homes.
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