In a sweeping new study of more than 13,000 urban areas worldwide, researchers have mapped air pollution levels and carbon dioxide emissions, providing comprehensive global analysis of urban ...

Particle and ozone pollution have been linked to a number of negative health impacts, including mild respiratory conditions ...

Government officials and advocates used them to help communities disproportionately affected by climate change and pollution.

New research has led to the development of a global database of annual, population-weighted concentrations for PM2.5, NO₂ and ...

More than 50,000 people face unhealthy levels of air pollution across parts of Nevada on Wednesday, according to the U.S. Environmental Protection Agency (EPA).

Those heading to Texas' largest National Park today should know that a warning has been issued and it's one that could impact ...

Pollution levels in certain parts of the US are soaring to dangerous levels with vulnerable people being advised to avoid ...

You may notice a bit of a haze in the sky or a bit of an orange-brown hue. The air quality levels in Massachusetts may briefly drop into the "moderate" group Friday. We do not anticipate any air ...

There's a chance for worsened air quality in Connecticut Friday as smoke from the ongoing New Jersey wildfire wafts east, according to the latest wildfire smoke maps. A fast-growing wildfire ...

“If you look at a map of light pollution in the United States and you look east of the Mississippi, there is no place — other than the Adirondacks and northern Maine — that is fully dark ...