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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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The air in the United States and Western Europe is much cleaner than even a decade ago. Despite these successes, sulfate levels in the atmosphere have declined more slowly than sulfur dioxide emissions, especially in wintertime. This does not mean that the emissions reductions aren't working.

Pollution 221
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Study finds methane emissions from coal mines ~50% higher than previously thought

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The results have important implications for Earth’s climate because methane is about 25 times more powerful than carbon dioxide when it comes to warming the planet over a long period. In addition to coal mining, other major sources of methane emissions globally include wetlands, agriculture, and oil and gas facilities.

Coal 321
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NOAA study finds reducing particulate air pollution in N America & Europe increases hurricanes in N Atlantic

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A new NOAA study covering four decades of tropical cyclones found that reducing particulate air pollution in Europe and North America has contributed to an increase in the number of tropical cyclones in the North Atlantic basin and a decrease in the number of these storms in the Southern Hemisphere. Credit: NOAA. —Hiroyuki Murakami.

Pollution 370
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IIASA study proposes solid air hydrogen liquefaction as efficient addition to hydrogen liquefaction supply chain

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The world is undergoing an energy transition to reduce CO 2 emissions and mitigate climate change. The COVID-19 pandemic and the Russia-Ukraine war have further increased the interest of Europe and Western countries to invest in the hydrogen economy as an alternative to fossil fuels.

Hydrogen 273
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Group of 285 global investors with more than $20T in assets under management calls for urgent action on investment-grade climate change and energy policies; guidelines for governments

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Saying that “ investment-grade climate change and clean energy policy is required to shift private sector investment from high-carbon to low-carbon assets ”, a group of 285 investors has urged governments and international policy makers to take new and meaningful steps in the fight against climate change.

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Commission on the Future of Mobility announces initial 5 primary research focus areas

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In October 2020, leaders from the auto and tech industries, state officials, academia, think tanks and others, announced the creation of the Commission on the Future of Mobility (CFM) to identify opportunities across transportation and technology silos and propose a fundamentally new vision for transportation policy for people and goods.

Future 186
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JATO: new car CO2 emissions rise for the first time in a decade in Europe; diesel down, gasoline up, SUVs up

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Average CO 2 emissions generated by new cars in Europe increased during 2017—the first rise in 10 years— according to a new analysis by JATO Dynamics. Covering 23 European markets, the study found that average CO 2 emissions increased by 0.3 g/km in 2017, finishing at 118.1 g/km—a difference of 5.5

Gasoline 244