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Researchers use satellite data to show vehicles are an under-recognized source of urban ammonia pollution

Green Car Congress

By disrupting normal societal activities such as driving, COVID-19 lockdowns afforded a unique opportunity to study their impacts on the environment. On a national or global scale, most NH 3 pollution comes from agricultural sources, such as livestock manure. The team analyzed satellite readings of NH 3 , as well as NO 2.

Pollution 321
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Give Me A #BreakFreeLA & Then Give Me 100% Renewables RIGHT NOW

Creative Greenius

.” He always was so ahead of the curve… Like I say, I live in Torrance, home of the exploding Exxon Mobil refinery where our Air Quality Management District just gave the refinery operators exemptions to exceed pollution limits while they restart the aging climate wrecker back up. .

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Toyota goes large on hydrogen with new US headquarters

Baua Electric

Photo: Toyota Motor North America Toyota today announced that it’s turning its R&D office in Los Angeles into its new North American hydrogen headquarters. To fill up a hydrogen light-duty car, you go to hydrogen stations, which, so far, get 95% of their hydrogen from polluting methane.

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Ready To Be Part of Art History & Be Seen Around the World? Join Us On November 21 for Another 350.org Spectacular!

Creative Greenius

The Global Work Party on 10/10/10, which your South Bay 350 Climate Action Group was proud to be part of, was the largest day of carbon-cutting action in the planet’s history. Where : Los Angeles Historic State Park (The Cornfield),1245 N. org Los Angeles South Bay 350 Climate Action Group the Cornfield.

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Study finds some improved cookstoves may emit more black carbon pollution than traditional mud cookstoves

Green Car Congress

In addition, black soot released into the atmosphere is a major factor in global warming. The researchers acknowledge funding from private donors, the National Science Foundation, the Swedish International Development Agency, the United Nations Environment Programme, the Vetlesen Foundation and the Alderson Foundation.

Pollution 231
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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

Green Car Congress

Based on their study, the team estimated that within a day of processing, SOA from gasoline exhaust emissions may reach 4 Tg/yr, which is ~16% of recent global estimates of biogenic SOA. SOAs are tiny particles that are formed in air and make up typically 40% to 60% of the aerosol mass in urban environments. —Roya Bahrein.

Exhaust 231
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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

Green Car Congress

An international study of 10 global cities found that a balance of geophysical factors (climate, access to resources, and gateway status) and technical factors (power generation, urban design, and waste processing) determine the greenhouse gas emissions (GHGs) attributable to cities. Miroslav Havránek, Charles University Environment Center.

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