For decades, big-box retailers have evaded federal regulation of the pollution their operations generate. But a new air emission rule in Southern California could become a model for state controls.
A high air pollution warning was issued for London on this day in January 2022.
Malcolm Park / Alamy
How the pandemic is reported by the media can influence people’s behaviour.
Situated on a plateau and surrounded by mountains, Mexico City – seen here in a haze on May 20, 2018 – is a ‘bowl’ that traps smog and dust.
AP Photo/Marco Ugarte
The Aztecs had a shining city on a lake, with canals, causeways and aqueducts – until the Spanish came. Mexico City is still suffering the consequences of their bad public health decisions.
Clear skies over Los Angeles, April 17, 2020.
Araya Diaz/Getty Images
From Nairobi to Los Angeles, pandemic lockdowns have cleared pollution from the skies. But those blue vistas may be temporary, and shutdowns aren’t slowing climate change.
A study of the social cost of carbon emitted by the shrinking fleet of Texan coal plants suggests that closing more of them down would be good for the climate and public health.
A study finds that higher ozone levels correlate with slower performance times for college endurance athletes.
Pavel1964
US national parks protect some of America’s most spectacular outdoor settings. But new research shows that ozone pollution levels in the parks are roughly as bad as in major cities.
Good for you, bad for the air?
Gts/Shutterstock.com
New research is spotlighting personal care products, such as shampoos and skin lotions, as a significant source of chemicals that contribute to urban air pollution.
Rush hour on the Hollywood Freeway, Los Angeles, September 9, 2016.
AP Photo/Richard Vogel
Air pollution could be the next battleground between California and the Trump administration, which is reviewing the Golden State’s special legal authority to regulate tailpipe emissions.
A pall of inaction and apathy hangs over Delhi’s reaction to its air pollution crisis.
Reuters/Anindito Mukherjee
The city of Phalodi has set a temperature record for India, hitting 51°C. Until now, India’s smog problem has curbed extreme temperatures. But that could be about to change.
U.S. states need to put in place new ozone air quality standards, but how they are measured – based on peak ozone – doesn’t always best reflect a city’s overall air quality.
Drought and deforestation have proved to be a volatile combination in Indonesia.
David Gilbert/Greenpeace
While Indonesia has taken steps to address the worst forest fires in living memory, a new palm oil alliance with Malaysia threatens to take a giant leap back.
Ground-level ozone levels in US lag other countries’ guidelines for air quality.
urbanfeel/flickr
The US has stricter ozone rules but the limits lag guidelines set by some other countries and more coordination in regulation is needed to address air pollution globally.
Volkswagen’s emissions cheat didn’t just anger owners and regulators; the cost to human health from violating air quality rules exceeds US$100 million.