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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 estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution 360
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Rio Tinto, China Baowu, Tsinghua U sign MOU to explore improving environmental performance across steel value chain

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Rio Tinto, one of the world’s largest iron ore producers, signed a Memorandum of Understanding (MOU) with China Baowu Steel Group (China’s largest steel producer) and Tsinghua University to develop and implement new methods to reduce carbon emissions and improve environmental performance across the steel value chain.

China 170
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Obama climate plan calls for new fuel economy standards for heavy-duty vehicles post-2018; cleaner fuels and investment in advanced fossil energy

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Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Leading international efforts for GHG emission reductions and adaptation. Earlier post.).

Obama 249
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Proof-of-principle of cost-effective methane cracking technology for H2 production without CO2; 50% cleaner than SMR, comparable to electrolysis

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CO 2 emissions from the ammonia industry alone amount to approximately 200 million tons per year—by comparison, Germany generates around 800 million tons of carbon dioxide per year. The main by-product of methane cracking—solid black carbon—is also an increasingly important industrial commodity. The final design is a 1.2-meter-high

Cleaner 150
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Eindhoven University of Technology to make biofuels from its own wood waste; cyclic oxygenate CyclOx and ethanol

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Researchers at Eindhoven University of Technology (TU/e) are developing a small-scale demonstration reactor that will process 40 tons of wood waste per year from the university into replacements for diesel fuel and gasoline. This will be offered at the university pump in a 10:90 mixture with gasoline. Credit: ACS, Boot 2008.

Waste 218
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NUS researcher links air pollution to increased residential electricity demand

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The study, set in Singapore, suggests that better air quality will bring about climate co-benefits in reducing electricity generation via lower household demand, and thus mitigating carbon emissions. This is important for policymakers when forecasting and influencing future emissions paths in the context of climate change.

Pollution 275