air pollution

Updated 3:34 p.m. ET

The Trump administration has escalated its fight with California over environmental regulations.

Environmental Protection Agency Administrator Andrew Wheeler sent a letter Monday to the California Air Resources Board threatening to withdraw billions of dollars in federal highway money unless the state clears a backlog of air pollution control plans.

Emphysema is considered a smoker's disease. But it turns out, exposure to air pollution may lead to the same changes in the lung that give rise to emphysema.

Bill Wehrum is stepping down as the Environmental Protection Agency's chief air quality official at the end of the month, amid mounting scrutiny over possible ethics violations.

EPA Administrator Andrew Andrew Wheeler said Wednesday that Wehrum's departure as the head of the agency's Office of Air and Radiation is both voluntary and expected.

Children who live in areas with bad air pollution are more likely to develop asthma, which is the most common chronic illness among young people. But when you clean up the air does that actually protect the health of kids?

A study published Tuesday in JAMA, the journal of the American Medical Association, looked to answer that question.

Several members of a powerful science panel for the Environmental Protection Agency expressed doubt at a hearing Thursday about the long-established scientific consensus that air pollution can cause premature death.

The panel was meeting to consider recommendations that would fundamentally change how the agency analyzes the public health dangers posed by air pollution and could lead to weaker regulation of soot.

Pollution, much like wealth, is not distributed equally in the United States.

Scientists and policymakers have long known that black and Hispanic Americans tend to live in neighborhoods with more pollution of all kinds, than white Americans. And because pollution exposure can cause a range of health problems, this inequity could be a driver of unequal health outcomes across the U.S.

The chemical haze of yellowish smog blanketing the sky across Bangkok is so toxic that officials announced more than 400 public schools throughout the Thai capital will be closed on Thursday and Friday.

Updated Jan. 10 at 3:50 p.m. ET

The U.S. government has been operating under a partial shutdown since Dec. 22. The shutdown, driven by a political battle over President Trump's demand that Congress approve funds for a wall along the border with Mexico, is touching the lives of Americans in myriad ways.

Carbon dioxide emissions in the U.S. are on the rise again after several years of decline, and a booming economy is the cause.

That's according to a report out today from the Rhodium Group, an independent research firm that tracks CO2 emissions in the U.S.

In an interview with the Washington Post published online Tuesday, President Trump brushed aside climate change concerns by hailing the state of the environment in the United States.

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