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York study: Less traffic in first UK lockdown reduced NO2 pollution but caused increase in surface ozone

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Less traffic on the roads during the first COVID-19 lockdown in the UK led to a reduction in air pollution but may have caused potentially damaging surface ozone levels to rise, according to a new study led by researchers at the University of York. The 25–75% range is shown by the shaded area. —Professor Lee.

Ozone 397
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NUS researcher links air pollution to increased residential electricity demand

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Understanding what drives energy demand across the socioeconomic distribution of Singapore households can provide insight on the future energy demand of urban populations in the region’s cities as incomes rise. This is important for policymakers when forecasting and influencing future emissions paths in the context of climate change.

Pollution 275
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Study: air pollution causes 800,000 extra deaths a year in Europe and 8.8 million worldwide

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Air pollution could be causing double the number of excess deaths a year in Europe than has been estimated previously, according to a study published in the European Heart Journal. Air pollution caused twice as many deaths from CVD as from respiratory diseases. The researchers found that air pollution caused an estimated 8.8

Pollution 320
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Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

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A new study led by Tokyo Institute of Technology (Tokyo Tech), Hokkaido University and the University of Washington explains why. We need to understand this multiphase chemistry in the atmosphere to design an efficient strategy to manage air pollution and accurately predict future air pollution and climate change impacts.

Pollution 221
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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% million years of life lost and approximately $1 trillion (2015 US$) in health damages globally in 2015. Transportation-attributable PM 2.5 Source: The ICCT.

Ozone 230
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Study finds farms a major source of fine-particulate air pollution

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Emissions from farms outweigh all other human sources of fine-particulate air pollution in much of the United States, Europe, Russia and China, according a new study published in Geophysical Research Letters , a journal of the American Geophysical Union. A 2015 study in the journal Nature estimates they cause at least 3.3

Pollution 240
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Tsinghua study finds China’s actions have cut PM2.5 concentrations 21.5% from 2013-2015; PM2.5-related mortality down 9.1%

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Air pollution in China, especially in mega-metropolitan areas, is a matter of concern due to its impact on public health; outdoor PM 2.5 pollution reduced by 9.1% Our study marks the first estimates of the impact of this stringent action plan on pollution levels and mortality rates from 2013 to 2015.

2013 186