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Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

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Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

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Cutting Non-CO2 Pollutants Can Delay Abrupt Climate Change; The Fast Action Climate Agenda

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Noting the references in scientific and policy literature to the need for fast-action mitigation to help avoid DAI and abrupt climate changes, the authors define “fast-action” to include regulatory measures that can begin within 2–3 years, be substantially implemented in 5–10 years, and produce a climate response within decades.

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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

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Schematic diagram of the trade-offs between the implications for regional air quality and global climate change of new policies for management of the atmosphere. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs. Source: NOAA. Click to enlarge.

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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.

Climate 287
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German-Chilean consortium investigating new ways of reducing arsenic in copper concentrates: ReAK

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This makes the copper industry one of the country’s most important sources of income. However, climate change has caused an increase in rainfall in recent years, which now raises the issue of environmental contamination. Other project partners are also evaluating UV- and ozone-assisted as well as microbial oxidation processes.

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Climate Expert: Don't Call It Geoengineering

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The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. C above pre-industrial levels. C above pre-industrial levels. In 2015, the U.S.

Climate 145
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Indo-US task force to study HFC phase-down

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Reifsnyder, in New Delhi, along with members of industry and civil society groups to discuss the HFC issue. HFCs are chemicals are potential substitutes for ozone-depleting and climate-warming CFCs and HCFCs currently being phased out under the Montreal Protocol treaty to protect the ozone layer.