A new study finds petroleum products like lotion and pesticide are responsible for as much air pollution as motor vehicles.
Scientists didn't think the tiniest particles of pollution could lead to tropical storms - much less make them even more powerful.
The policy has long been opposed by the fossil fuel industry.
Colorado's oil and gas commission will decide if its staff was wrong in concluding that oil and gas activity is…
Scientists have been able to put bacteria into already-printed objects, but a new approach shows the process might have other applications.
Colorado health officials have delayed a decision on a mining giant's request to weaken statewide limits on pollution of streams,…
A family discovered there are cancer-causing chemicals in their well water, yet they continue to fight state regulators who say nearby oil…
The Indian Medical Association declared a public health emergency Tuesday after air quality readings soared off the charts.
The "T-Charge" is part of the city's larger plan to improve its air quality.
According to a report from The Lancet, exposure to polluted air, water and soil caused an estimated 9 million premature deaths in 2015.
A new study found exposure to air pollution in utero could shorten life expectancy.
As of Friday, 10 counties had air quality that the Environmental Protection Agency considers "unhealthy."