I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s. The city sits on the plain, skyscrapers rising and buildings extending ...

Air pollution remains a grave threat to human health, but MAHA is doing nothing about it.

The EPA will no longer apply a dollar amount to health benefits from clean air.

When I worked for the Environmental Protection Agency in the 2010s as an Obama administration appointee, I helped write and ...

Delhi’s air debate is dominated by numbers—daily AQI values, PM2.5 averages, counts of “good”, “poor”, and “severe” days.

Parts of India, including the capital Delhi, were once again covered in thick smog recently as toxic pollution from industry ...

When making rules on fine particulate matter and ozone limits, the EPA will no longer calculate the monetary value of lives ...

For years, when the EPA assessed the economic impact of new regulations, it weighed both the health costs for Americans and ...

Air pollution, like ozone and PM2.5, significantly damages nearly every major human body system, impacting cardiovascular, ...