Remove 2006 Remove Climate Remove Ozone
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Study suggests future climate changes to worsen air quality for >85% of China’s population; ~20k+ additional deaths each year

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A study by a team of researchers from China, the US and Germany suggests that future climate change may worsen air quality for more than 85% of China’s population, leading to an additional 20,000 deaths each year. and ozone exposure, respectively. and ozone exposure, respectively. C) and ozone (D) exposure are shown.

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UN report projects that increasing use of HFCs likely to have a significant climate impact by 2050; equivalent to current total annual emissions from transport

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The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). The contribution of HFCs to climate forcing is currently less than 1% of all greenhouse gases.

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Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

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Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. California’s Climate Protection Strategies do not help meet NAAQS Standards. Click to enlarge.

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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Shifts in the hydrological cycle resulting in the disappearance of regional climates with related losses of ecosystems, species and the spread of drylands northwards and southwards away from the equator. Click to enlarge. Earlier post.). Earlier post.).

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EPA proposes retaining current NAAQS for particulate matter

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The current 24-hour standard was issued in 2006. EPA is proposing that the current secondary standards are adequate to protect against PM-related visibility impairment, climate effects, and effects on materials. concentrations. EPA is proposing to retain the existing 24-hour standard, with its level of 35 ?g/m Average PM 2.5

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MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

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Air quality co-benefits are additional to climate benefits realized from reduced CO 2 emissions.). In a paper published in the journal Nature Climate Science , the MIT researchers took a systems-level approach to analyzing how climate policies influence air quality, focusing on US emissions of O 3 and PM 2.5

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WMO reports GHG reached new high in 2010 since pre-industrial times; special attention on rising N2O concentrations

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Between 1990 and 2010, according to the report, there was a 29% increase in radiative forcing—the warming effect on our climate system—from greenhouse gases. Carbon dioxide is the single most important man-made greenhouse gas in the atmosphere and contributes about 64% to total increase in climate forcing by greenhouse gases.

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