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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.

Climate 428
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution 360
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Air pollution could claim 6.6 million lives per year by 2050, double current rate; small domestic fires and ag the worst offenders

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If air pollution emissions continue to rise at the current rate, some 6.6 The largest sources of air pollution are not industry and transport but small domestic fires and agriculture. The largest sources of air pollution are not industry and transport but small domestic fires and agriculture. Credit: Nature, Lelieveld et al.

Pollution 150
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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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While that report projected vessel activity, it did not explore the environmental impacts of increased shipping in terms of air emissions or the potential climate impacts from increases in short-lived climate pollutants such as black carbon. Click to enlarge. ships diverting from prior routes to Arctic routes. Earlier post.).

Pollution 150
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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

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Those markets include Australia; Brazil; Canada; China; the European Union; India; Japan; Mexico; Russia; South Korea; and the United States. China suffers the greatest health impact with 31,400 deaths annually attributed to diesel NO x pollution, with 10,700 of those deaths linked to excess NOx emissions beyond certification limits.

Diesel 230
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Study: 87% of world’s population in 2013 lived in areas exceeding WHO PM2.5 guidelines

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Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9% The Global Burden of Disease (GBD) 2013 provided important estimates of the global health impacts attributable to ambient air pollution. An additional 217,000 deaths were attributable to long-term ozone exposure.

2013 150
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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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Methane is both a potent greenhouse gas and an important precursor to ground-level ozone. Ozone, a key component of smog and also a greenhouse gas, damages crops and human health. Tropospheric ozone and black carbon (BC) contribute to degraded air quality and global warming. Shindell et al., Supplementary material.

Carbon 257