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.
Massive dying stars emit large amounts of radiation.
NASA/ESA/Hubble SM4 ERO Team via AP
Some ancient texts record what were likely dying stars, faintly visible from Earth. If close enough, these events can disturb telescopes and even damage the ozone layer.
People wore face masks as wildfire smoke from Canada turned New York City’s sky orange on June 7, 2023.
Angela Weiss/AFP via Getty Images
It’s the World Health Organization’s first update of global air quality guidelines since 2005. We know far more today about the serious risks these pollutants pose to human health.
New research on the Late Devonian extinction suggests the ozone layer could be naturally depleted as the temperature rises.
Temperatures are warming faster in the Arctic than anywhere else in the world. Water and sewer pipes in Iqaluit, Nunavut, are cracking during the winter as the ground shifts.
THE CANADIAN PRESS/Sean Kilpatrick
Measurements and modelling have found nitrous oxide emissions, a greenhouse gas 265 times more potent than carbon dioxide, are significantly higher than previously reported.
Oil refineries and other industrial sources in and around Houston create some of the highest ozone levels in the nation.
AP Photo/Pat Sullivan
Jason West, University of North Carolina at Chapel Hill et Barbara Turpin, University of North Carolina at Chapel Hill
Air quality in the US has improved greatly since 1990, but a new report finds progress stalling in some cities. Meanwhile, the Trump administration is rolling back air pollution controls.
In Paris’s André-Citroën Park, a balloon is used to measure air pollution.
Bertrand Guay/AFP
The number of substances emitted into the atmosphere is immense and growing, but some are particularly harmful to health and are subject to increased monitoring.
Industrial facilities like this oil refinery in Anacortes, Washington are significant air pollution sources.
Walter Siegmund/Wikimedia
An air pollution expert with years of experience advising federal regulators describes how the Trump administration is speeding up reviews and reducing scientific input.
The Big Brown coal plant in Fairfield is among the Texas power stations that have been shut down.
AP Photo/David J. Phillip
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
Distinguished Professor and Deputy Director of ARC Securing Antarctica's Environmental Future (SAEF), University of Wollongong, University of Wollongong
Senior Research Fellow, Centre for Air Quality & Health Research and Evaluation, Woolcock Institute of Medical Research, University of Sydney; Senior Research Fellow, South West Sydney Clinical School, UNSW Sydney