“Researchers analyzed 175 countries,” using the most recent data from leading ... but a lot of it is because of all the air pollution. It turns out the air in the US is quite a bit worse ...

A groundbreaking 25-year analysis using satellite technology has now mapped PM 1 levels across the U.S., uncovering how ...

Even as air quality in America has improved ... This is an attack not just on air-pollution research but on an entire scientific approach. Most public-health research is observational by necessity ...

Tens of millions more people in US are exposed to toxic air ... among the top ten most polluted in the nation. These cities suffer from high levels of particle pollution due to agricultural ...

The report then ranks the most polluted and cleanest U.S. cities based on an area’s number of unhealthy air days and the city’s particulate pollution. This year’s report looked at a three ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air near the U.S.-Mexico border in San Diego County.