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Hundreds of Beijing companies forced to stop production and hospitals prepare for surge in pollution-related illnesses
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Authorities issue five-day warning and order schools to close, residents to stay indoors and heavy industry to slow or halt production
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When thick smog recently hit, Londoners were advised to avoid exercise, while Parisians got free public transport. Which is the best solution?
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Brief letters: VW pollution | Convalescence | Train guards | Unite election | Hellebores | Cocaine capital
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Costly failures show ‘urgent attention’ needed to improve how oil giant manages crucial engineering data at plants
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Edinburgh University researchers say windfarm energy prevented 36m tonnes of harmful coal and gas emissions in six years
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Pollutionwatch We think of wood burning as natural, but experiments show that wood smoke contains shocking levels of harmful particles
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Germany and Spain among those accused of failing to set up penalty systems to deter violations of emissions law
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Vehicles with odd-number plates were banned on Tuesday and, on Wednesday, it was the even numbers’ turn
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Campaigners hail announcement that funding for air quality measures will rise to £875m over the next five years
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Nigeria, Benin, Togo, Ghana and Ivory Coast to block imports from oil companies and traders of diesel with sulphur levels many times European limit
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Polluting generators could win multimillion-pound contracts, with some also eligible for generous tax breaks
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One year since its opening more cyclists seem to be using one of London’s “superhighway” routes, although not all its goals have yet been met
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King Emere was in a London court last week for the case that he hopes will allow him to sue Shell in the UK for polluting his tribal land
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India’s capital has endured epidemics, the threat of war and a currency crisis in recent weeks, proving that in this vast city, toxic air is just another problem
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Paris, Madrid, Athens and Mexico City will ban the most polluting cars and vans by 2025 to tackle air pollution
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Caribbean Princess discharged thousands of gallons of polluted bilge waste along British coast, while other ships used rigged sensors to hide contamination
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The federal and Queensland governments are risking the reef being put on Unesco’s in-danger list with their coal obsession and shoddy progress report
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UK capital experiences high pollution levels on Thursday with warnings telling people to avoid strenuous exercise
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China has vowed to close 1,000 coal mines to reduce its dependence on fossil fuels. But these haunting photographs by the award-winning Canadian photojournalist Kevin Frayer, who travelled to Inner Mongolia to witness the activities of unauthorised steel mills, underline the scale of Beijing’s challenge
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UK’s two largest supermarket chains will replace the plastic stems with paper ones in all own-brand products by the end of 2017
health in cities Five ways public-private partnerships can build healthier cities