Millions of Americans across parts Arizona, Colorado, and Connecticut were advised to avoid driving and limit outdoor activities after officials issued air quality alerts warning of potentially ...

Your guide to the biggest health consequences of extreme weather — from mosquito-and tick-borne illnesses to mental health ...

Air quality has improved or remained steady across New York City since congestion pricing launched, city health department ...

In a Supreme Court term that handed Trump and conservatives, big wins, Ketanji Brown Jackson − the newest justice − has ...

On Thursday, officials from California and 10 other states – Colorado, Delaware, Massachusetts, Maryland, New Jersey, New Mexico, New York, Oregon, Rhode Island and Washington – announced they were ...

Thanks to a new International Maritime Organization policy, international cargo ships will start paying fees for excess ...

What is PM2.5? Hazardous airborne particles and chemicals can come in a variety of forms, and from a variety of sources, even some natural ones. Wind-blown desert and mineral dust, wildfires, ...

Every year, more than 300,000 people die of lung cancer due to PM 2.5, and research suggests these pollution particles not only initiate cancer-causing genetic defects but drive tumor formation.

California has been allowed to enact tougher rules under the 1970 Clean Air Act – so long as it obtains waivers – because the state has historically had the worst air pollution in the nation.

Breathing polluted air—even at levels considered “safe”—may quietly damage your heart. A new study using advanced MRI scans found that people exposed to more air pollution showed early signs of ...