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Study finds global emissions of several banned ozone-destroying CFCs are increasing

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New analysis has found increasing emissions of several ozone-depleting chemicals despite their production being banned for most uses under the Montreal Protocol—and a loophole in the rules is likely responsible. According to the researchers, emissions from these CFCs currently do not significantly threaten ozone recovery.

Ozone 353
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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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A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. Those markets include Australia; Brazil; Canada; China; the European Union; India; Japan; Mexico; Russia; South Korea; and the United States.

Diesel 230
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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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—Co-author Professor Thomas Münzel, of the Department of Cardiology of the University Medical Centre Mainz. Many other countries, such as Canada, the USA and Australia use the WHO guideline; the EU is lagging a long way behind in this respect. They focused particularly on PM 2.5 The current limit of 25 ?g/m —Prof Lelieveld.

Pollution 320
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Study findings suggest that switching from coal to natural gas would do little for global climate

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Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. He also assumed that sulfur dioxide emissions from coal would drop sharply over the next few decades due to pollution control devices. —Tom Wigley. degree Fahrenheit (less than 0.1 degree Celsius).

Coal 334