A forthcoming ruling could allow federal agencies to skip climate analysis when approving major projects — with wide-reaching ...

Users across Chicago were met Wednesday with warnings from their smartphones about the city’s air quality that led to much confusion, but was the air quality actually that bad? Across social media, ...

Though Amazon has a long way to go, this is a step in the right direction. Amazon announces major new project to transform ...

City travel can feel like a headache. Traffic jams, crowded buses, and soaring gas prices make moving around urban areas stressful. For many business owners, these challenges waste time and […] ...

California plans to expand its zero-emission school bus fleet by 1,000, funded by a $500 million state investment.

WITH a purposeful buzz, the tiny gardener of the earth approaches bloom after bloom—drawn by nature's invitation of colour ...

The American Lung Association has released its annual “State of the Air” report and several major cities are among the worst in the nation for year-round particle pollution, also known as ...

The U.S. is backsliding on air quality measures, according to an annual American Lung Association study that says 156 million ...

In addition to the 27 worst cities for each pollutant listed above, the 25 most polluted counties for ozone and particle pollution are ranked in the tables below.