The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

Nitrate pollution has become one of the most widespread water quality challenges in intensively farmed regions around the ...

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...

Air pollution remains one of the most serious environmental and public health challenges facing the world today. From the exhaust fumes on busy highways to industrial emissions, wildfire smoke, and ...

Thirdhand smoke stays on surfaces and slowly pollutes indoor air long after smoking stops within indoor environments.

Environmental agencies are searching for the source of pollution that has created two contaminated hot spots in the lower Clinton River, hindered a long-ranging environmental cleanup effort and ...

For decades, Southern California’s war on smog has focused on strategies to reduce pollution from tailpipes and smokestacks. But one of the main drivers of lung-aggravating smog may be right ...

We frequently refer to ecological “crises” — using the plural form — to acknowledge the multiple, interconnected ...

The proposed system in Delhi will use hyperlocal sensors and dynamic source apportionment for targeted interventions.

Although our air is much less polluted now than it was some decades ago, each year around 300 000 people in Europe die prematurely due to air pollution. In 2021, 97% of the people living in urban ...