US President Donald Trump may allow some power plants, chemical makers and others to bypass a range of regulations for years ...

Clean air has become one of America’s best investments, returning $10 for every $1 spent on regulations, by one estimate.

Holly Energy Partners has taken the unusual step to request a public hearing on its project before the Colorado Air Quality ...

The Donald Trump administration has allowed fossil fuel companies to bypass air pollution regulations by emailing the US ...

President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

The Environmental Protection Agency is allowing entities subject to the Clean Air Act to seek exemptions via email through ...

Referring to a little-known provision, it said power plants and others could write to seek exemptions to mercury and other ...

The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy.

In South Carolina, an air quality alert is in effect until noon Thursday for the towns and cities of Mountain Rest, Rocky ...

It is important to acknowledge how far we have come as a country and region to improve air quality. Experts at the symposium ...

The Phoenix metro area is experiencing worsening air quality due to high ozone levels ... a Republican. "It would be ...

The WHO has identified air pollution as the biggest environmental threat to human health globally. Each year, an estimated ...