Category Archives: World News

New ICCT study shows real-world exhaust emissions from modern diesel cars seven times higher than EU, US regulatory limits

On-road nitrogen oxides emission levels of modern diesel cars are on average about seven times higher than the limit set by the Euro 6 emission standard, which went into effect in September 2014. This is the key finding from a … Continue reading

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Hudhud cyclone to hit Delhi’s air quality

The Hudhud cyclone that’s likely to hit the Coromandel coast on Sunday will have a serious effect on Delhi’s air quality. The models prepared by System of Air Quality Weather Forecasting and Research (SAFAR) at Indian Institute of Tropical Meteorology … Continue reading

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Days of heavy air pollution blight northern China

Days of heavy smog shrouding swathes of northern China pushed pollution to more than 20 times safe levels on Friday (Oct 10), despite government promises to tackle environmental blight. Visibility dropped dramatically as measures of small pollutant particles known as … Continue reading

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Beijing Raises Smog Alert as Pollution Envelops North China

Beijing raised its air pollution alert to orange, the second-highest level, triggering limits on some industrial production as smog enveloped northern China for a second day. The concentration of PM2.5, fine particulates that pose the greatest risk to human health, was … Continue reading

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PSI slips into ‘unhealthy’ range

The Republic’s air quality worsened on Wednesday Oct 8 evening, as the three-hour Pollutants Standard Index PSI hit the ‘unhealthy’ range at 6pm with a 3-hour PSI reading of 102. The 3-hour PSI reading rose to 105 as of 7pm … Continue reading

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Air pollution: ‘Heaven help us’

South Africa needs “magic and divine intervention” to win the war against air pollution in areas shared by industry and communities. “Brace yourself, colleagues,” the Department of Environmental Affairs air-quality spokesman, Tsietsi Mahema, said at the annual air-quality governance lekgotla … Continue reading

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How air pollution caused Europe’s rivers to fill

Air pollution from Europe resulted in a 25 per cent increase in river flows in Poland and Germany during the late 20th century, a new study finds. The researchers say their findings show how the impact of burning fossil fuels … Continue reading

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New study explains wintertime ozone pollution in Utah oil and gas fields

Chemicals released into the air by oil and gas exploration, extraction and related activities can spark reactions that lead to high levels of ozone in wintertime, high enough to exceed federal health standards, according to new NOAA-led research, published today … Continue reading

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