August 30, 2019, 2pm PDT
Columbus achieved something no other U.S. city has managed: moving out of non-compliance with federal air quality standards for ground-level ozone.
June 14, 2019, 12pm PDT
President Trump made good on his promise last October to lift the E15 ban in time for the summer driving season. Not mentioned by the Des Moines Register are the downsides to allowing the higher ethanol blend to be sold during the summer, e.g., smog.
March 18, 2018, 11am PDT
As a result of a federal court ruling on March 12, the Environmental Protection Administration will be compelled to do what it should have done by October 1: Identify regions of the country where the air quality violates smog standards.
October 2, 2015, 10am PDT
The EPA chose to reduce the current standard of 75 parts per billion, unchanged since 2008, by 5 ppb. Public health and environmental groups insist that a safe standard would be 60 ppb, while businesses point to the high costs to comply with 70 ppb.
July 25, 2015, 9am PDT
San Antonio's soon-to-be-adopted air quality plan will focus on transportation to reduce the city's air pollution.
May 23, 2012, 12pm PDT
No, this is not a headline out of <em>The Onion</em>. Apparently, leaders at last weekend's G8 Summit agreed to “the biggest step in years in tackling climate change,” as reported by Geoffrey Lean.