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Articles sur Air quality

Affichage de 21 à 40 de 105 articles

Investment in public parks can help reduce crime. Peter Titmuss/Education Images/Universal Images Group via Getty Images.

Crime is lower when cities are greener: evidence from South Africa supports the link

People may think that green spaces often hide criminals. On the contrary, there is evidence they contribute to reducing crime.
Smokestacks in the Los Angeles neighborhood of Wilmington. Citizen of the Planet/Education Images/Universal Images Group via Getty Images

Environmental justice has the White House’s attention, building on 40 years of struggle – but California suggests new funding won’t immediately solve deeply entrenched problems

Poor communities of color have spent decades battling US industrial and agricultural pollution. A new EPA office is designed to support their struggle, but history suggests reason for caution.
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.
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.
Lava flows from a fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii’s Big Island, May 22, 2018. Andrew Richard Hara/Ena Media Hawaii via Getty Images

Why can’t we throw all our trash into a volcano and burn it up?

Volcanoes might seem like nature’s incinerators, but using them to burn up trash would be dangerous and disrespectful to indigenous people who view them as sacred.

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