Taxi drivers were exposed to the highest levels of pollution.
Dinendra Haria/ Shutterstock
Taxi drivers are exposed to twice the level of pollution compared to other drivers.
Severe air pollution can speed up neurodegeneration when the brain is at the peak of its development — during childhood. Pictured here, a child in Beijing.
Investigation of the brains of children and young adults who died suddenly in Mexico City revealed amyloid plaques similar to those found in the brains of people with Alzheimer's disease.
The benefits of ‘superblocks’ for Barcelona include better health, access to green space and other public space, and more transport-related physical activity.
The Spanish city is remaking urban neighbourhoods by limiting through traffic in superblocks that give priority to pedestrians and street activities, not cars.
Grid, glorious grid.
The 'superblocks' are expected to have massive benefits for health and well-being – but it takes good governance.
Active fire hotspots detected by S-NPP/VIIRS on September 7 2019.
We have developed an online tool to help authorities identify which areas they should focus on for reducing forest fires and haze in order to maximize overall health benefits.
Evidence shows electric vehicles have significant economic, social and health benefits.
Despite the overwhelming evidence that electric vehicle technology can deliver huge benefits, misinformation continues to muddy debate. Let's look at the facts.
Aerial view of severe air pollution with skyscrapers in Jakarta city on 24 April 2019.
The Ministry of Environment and Forestry insists the air quality is still "moderate with no health effect". Other data show the city's air is filthy.
Filling up the electric way.
China wages 'war on air pollution', but turning away from fossil fuels towards natural gas has its challenges.
Noctilucent clouds shine over Swaledale in the Yorkshire Dales, UK, June 2019.
Neil Squires/PA Wire/PA Images
'Night-shining' clouds normally found above the poles have now been seen as far south as Los Angeles.
A smokey haze from wildfires burning in the region blankets Vancouver, B.C.
From heat stroke to asthma to lyme disease, climate change already poses a serious health risk.
The Wheelabrator Waste to Energy Plant in Saugus, Massachusetts, has been burning trash to generate electricity since 1975.
Every year the US burns more than 34 million tons of garbage in incinerators. These plants are major pollution sources, and most are clustered in disadvantaged communities.
Children are the future, so why don't we listen to them more often?
The dangers of outdoor air pollution are now well known, but those related to the air we breathe at homes and at work are much less so, according to an international study.
Pollution in Shandong province, source of much of the ozone-depleting gas.
Wu Hong / EPA
Global CFC-11 levels were rising and no one knew why. Scientists turned detective to pinpoint the source.
Leaving your car running will marginally increase CO2 emissions, but it may massively reduce exposure to the toxic gases and particulates that are shortening thousands of lives.
Oil refineries and other industrial sources in and around Houston create some of the highest ozone levels in the nation.
AP Photo/Pat Sullivan
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.
Just off Washington Square in New York City.
Trees clean urban air, store carbon, slow floodwaters and can be used to design safer streets. Scholars are starting to calculate what these services are worth – a fitting topic for Arbor Day.
Scientists have found microplastic pollution in once pristine spot near the border between France and Spain.
Nathan Danks / shutterstock
New research finds tiny particles in the atmosphere had been carried nearly 100km. Should we be worried?
Fine particle pollution in Denver exceeded federal health standards on March 6, 2019, triggering a citywide alert.
AP Photo/David Zalubowski
Are health risks from air pollution less serious than we think? Mainstream scientists call this a fringe view, but it's getting high-level attention at the Environmental Protection Agency.
Pollutants not shown.
Childhood asthma cases caused by traffic pollution are on the decline. But children in some parts of the country are faring better than others.