Background Articles

Alaska's U.S. senators oppose the EPA's move to regulate and phase out leaded aviation gasoline, citing potential negative impacts on the state's travel and economy.

The Environmental Protection Agency has determined that lead emissions from small planes pose a threat to public health, potentially leading to the agency's first-ever limits on lead fuel in aviation.

Unalaska in Alaska is under an air quality advisory due to ashfall from the eruption of Mount Shishaldin on Unimak Island, with the advisory extended until Thursday.