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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. WHO global air quality guidelines.

Pollution 435
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New study puts air-pollution related deaths in India in 2019 at 1.67 million

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million deaths in 2019—the largest pollution-related death toll in any country in the world—and also accounted for $36.8 million deaths in 2019—the largest pollution-related death toll in any country in the world—and also accounted for $36.8 and that due to ambient ozone pollution increased by 139.2%.

Pollution 321
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Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

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The exponentially increasing global market share of EVs has prompted research on their efficacy in reducing greenhouse gases, but comparatively little effort has focused on their impact on air quality. Among the findings: Summer surface ozone (O 3 ) decreases in most locations due to widespread reductions of traffic NO x emissions.

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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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million extra deaths globally rather than the previously estimated 4.5 The researchers used exposure data from a model that simulates atmospheric chemical processes and the way they interact with land, sea and chemicals emitted from natural and man-made sources such as energy generation, industry, traffic and agriculture.

Pollution 320
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Test of Planet-Cooling Scheme Could Start in 2022

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Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather?

Ozone 115
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What is the Electric Vehicle Approved (EVA) Scheme?

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Together with the Energy Saving Trust (EST) and other partners, the National Franchised Dealers Association developed the EVA scheme to tackle poor advice and uncertainty in electric car ownership. By the end of 2019, an additional 130 dealerships received the accreditation, and more are expected to be approved this year.

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Here’s How We Could Brighten Clouds to Cool the Earth

Cars That Think

Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that contribute to acid rain, ozone depletion, respiratory ailments, and global warming. Second, we need more modeling to understand how MCB would affect weather and climate both locally and globally.

Climate 145