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Articles on Air pollution

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Trucks line up to load and unload at the Port of Los Angeles in Long Beach, California. Genaro Molina/Los Angeles Times via Getty Images

Beyond passenger cars and pickups: 5 questions answered about electrifying trucks

As California goes on regulating air pollution, other states often follow – including the Golden State’s ambitious goals for cleaning up emissions from trucking.
Thick smoke fills the air and nearly blocks out the sun, east of Kamloops, B.C., on Aug. 14, 2021. THE CANADIAN PRESS/Darryl Dyck

Wildfire smoke may warm the Earth for longer than we thought

Brown carbon refers to a range of pollutants found in smoke from wildfires. They can contribute to global warming before they undergo a process that alters their chemical properties.
Amazon workers sort packages for delivery on East 14th Street in New York City, July 12, 2022. Michael M. Santiago/Getty Images

How many Amazon packages get delivered each year?

The rise of e-commerce means billions of packages are delivered in the US each year. That creates traffic and pollution, but urban freight researchers are finding better way to get goods to customers.
More EV charging hookups in public locations like garages and parking lots would prompt more drivers of color to buy EVs. Extreme Media via Getty Images

People of color are as interested in buying electric cars as white consumers – the biggest obstacle is access to charging

Reducing air pollution from cars and light trucks would pay big health dividends for low-income and minority communities. A new survey shows how to get more drivers of color into electric vehicles.
A growing body of research suggests that gas stoves can pose health risks, especially for people with respiratory ailments. Sean Gladwell/Getty Images

Is your gas stove bad for your health?

Natural gas has been marketed for decades as a clean fuel, but a growing body of research shows that gas stoves can contribute significantly to indoor air pollution, as well as climate change.
Bad air pollution and extreme heat each raise health risks, but they’re worse combined. Brian van der Brug/Los Angeles Times via Getty Images

Extreme heat + air pollution can be deadly, with the health risk together worse than either alone

The worst effects are during high nighttime temperatures, something happening more often with climate change. Wildfires add to the risk.
Indonesian fire fighters extinguish a fire in a land next to residence in Pekanbaru, Riau province on September 13, 2019. The blazes spread smog across Southeast Asia and adding to concerns about the impact on global warming. Adek Berry/AFP

New research reveals that wildfires can influence El Niño

Wildfires are intensifying, yet they’re one of the most poorly understood phenomena on Earth. New research shows that they can disturb both regional and global climate.
A farmer works with his tractor in front of the Kusile Power Station located in eMalahleni. In Gauteng province residents can sometimes smell the pollution coming from this direction. Wikus de Wet/AFP via Getty Images

The air in South African Highveld cities smells foul in the winter: here’s why

Johannesburg occasionally smells like rotten eggs. The wind brings the smell from the east or the southeast, where most industries are located.

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