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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

Green Car Congress

California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. tons per person to 10.7 tons per person in 2018, a 24% decrease. Source: California Air Resources Board (ARB). Source: CARB GHG Inventory.

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Portable sensors enable monitoring of pollution on smart phones; inferring pollution maps with greater granularity

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Boxes represent pollution reading locations during that window. Computer scientists at the University of California, San Diego have built a portable pollution sensors that transmit transmit their air quality readings to smart phones, allowing users to monitor air quality in real time. Nikzad et al. Click to enlarge. Click to enlarge.

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Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

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A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. Emerging contaminants, such as wastewater polluted with medications and personal care products.

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Study: more stringent O3 and PM2.5 air pollution standards could save thousands of lives, greatly improve public health

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In “Estimated Excess Morbidity and Mortality Caused by Air Pollution above ATS Recommended Standards, 2011-2013,” published online in the August edition of Annals of the American Thoracic Society , researchers report on the annual health benefits of meeting more protective standards recommended by the ATS for O 3 and PM 2.5.

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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year. 300 to 4,000) ozone-related premature mortalities per year. 2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. 53,000 (90% CI: 24,000–95,000) PM 2.5 related premature deaths and ?5,000

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Air Quality: Easy to Measure, Tough to Fix

Cars That Think

Sold for US $299, the View Plus can gauge seven critical metrics: radon , particulates, carbon dioxide, humidity, temperature, volatile organic compounds, and air pressure. Of course, it's not enough to detect air pollutants; you must also remove them. Ionization can itself create ozone. Airthings' View Plus. It's true that.

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Federal Judge rules that Washington State must regulate refinery GHG emissions under State Implementation Plan

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ambient air quality standards (NAAQS) for criteria pollutants. To date, the EPA has established NAAQS for six pollutants: particulate. matter, sulfur dioxide, ozone, nitrogen dioxide, carbon monoxide, and lead. To date, the EPA has established NAAQS for six pollutants: particulate. Once a SIP is approved.