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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The findings associated ozone exposure with markers of platelet activation and increased blood pressure.

Ozone 170
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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%. The research, led by the International Council on Clean Transportation and Environmental Health Analytics, LLC., —Chris Malley.

Diesel 230
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Climate Expert: Don't Call It Geoengineering

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The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. C by the year 2100 , according to Climate Action Tracker. In 2015, the U.S. C above pre-industrial levels.

Climate 143
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Study finds some refrigerants less damaging to ozone layer can degrade to long-lived GHG CF4

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Some of the substitutes for ozone-damaging chemicals that being phased out worldwide under international agreements are themselves potent greenhouse gases and contribute to warming. This work was supported in part by NOAA’s Atmospheric Chemistry, Carbon Cycle, and Climate (AC4) Program and NASA’s Atmospheric Composition Program.

Ozone 150
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Emissions of potent GHG HFC-23 have grown, contradicting reports of huge reductions

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Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values. This would have been a big win for climate. —co-author Dr Matt Rigby.

Emissions 199
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ARB releases proposed cap-and-trade regulation for comment; transportation fuels impacted in 2015

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The design of the California cap-and-trade program allows linkage with programs established by partner jurisdictions in the Western Climate Initiative (WCI) to create a regional market system. California has been working with strategic partners in the forest and cement sectors to explore sectoral crediting approaches to international action.

2015 210
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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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Using a new method of modeling the effects of various sources of outdoor air pollution on death rates, the researchers found that it caused an estimated 790,000 extra deaths in the whole of Europe in 2015 and 659,000 deaths in the 28 Member States of the European Union (EU-28). million deaths in 2015. They focused particularly on PM 2.5

Pollution 320