All kinds of bacteria live with us indoors, and some can make us sick. A new study shows that rooms exposed to light had about half the live bacteria found in rooms that were kept in darkness.
Low-income residents living near highways and agricultural and industrial zones are getting hit with a "double whammy" as wildfire smoke drifts to areas where the air is often polluted already.
The researchers tested more than 25,000 people multiple times, matching the results with pollution data from the time of each test. Older adults were most affected by air quality.
As fires continue to rage in California, smoke is causing health problems for some residents. Public health officials warn against breathing polluted air.
The partial ban went into effect Thursday. Many Germans question whether the ban is an environmental milestone or a political shell game that could end up creating more pollution.
Public health agencies are set up to regulate air pollution from cars, trucks and factories. Wildfire smoke presents a different set of threats, prompting some of those agencies to rethink priorities.
The proposed no-fare program would begin in five cities, as Germany endeavors to meet EU air pollution targets. But similar plans haven't always worked as hoped.