Air pollution
Latest about Air pollution

California declared war on smog in the 1970s. The knock-on effects were huge.
By Ann E. Carlson published
A professor of environmental law explores the 1970 Clean Air Act and it how it has effected car emissions and smog in the decades since.

China's huge push to reduce air pollution had an unexpected consequence in the Arctic
By Quentin Septer published
China's cuts to aerosol emissions reduced sea ice loss, but it may have revealed a bigger story about climate change.

Scientists are unraveling the link between pollution and psoriasis
By Sanket Jain published
Researchers are uncovering how air pollution can trigger and worsen psoriasis, a chronic skin disease affecting millions worldwide.

Even brief exposure to air pollution can push the placenta into an inflammatory state, lab study suggests
By Nicoletta Lanese published
A study of human placentas suggests that urban air pollution may push the organ's resident immune cells into an inflammatory state.

Giant 'Saharan dust' plume swirls around Africa a week before it hit Florida
By Harry Baker published
Earth from space A recent satellite photo captured a giant comma-shaped cloud of "Saharan dust" being blown above the Atlantic Ocean. The hazy mass hit North America a week later.

How wildfire smoke hurts the body — and how to protect yourself
By Emily Cooke last updated
Experts lay bare the health effects of breathing in wildfire smoke and the steps that can be taken to reduce one's risk.

Scientists reveal surprising factor that may prolong pregnancy
By Emily Cooke published
New research suggests that people who are exposed to higher levels of air pollution and extreme temperatures during pregnancy have longer pregnancies than people who are not exposed to these conditions.

Record-breaking fires engulf South America, bringing black rain, green rivers and toxic air to the continent
By María de los Ángeles Orfila published
The Amazon fires, fueled by severe drought exacerbated by climate change, have created a toxic smoke cloud spanning about 4 million square miles — an area larger than the entire United States.
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