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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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More Reflective Roofs and Pavements Could Help Offset Climate Emissions

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Surfaces with high albedo reflect more solar radiation, preventing the radiation from heating the surface and the atmosphere. Increasing urban albedo is something that should be done now to buy time for implementing other near-term and long-term climate mitigation strategies. —Menon et al.

Climate 223
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Royal Society Report Concludes Geoengineering and its Consequences May be the Price for Failure to Act on Climate Change; Recommendations for Plan B

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It is an unpalatable truth that unless we can succeed in greatly reducing CO 2 emissions we are headed for a very uncomfortable and challenging climate future, and geoengineering will be the only option left to limit further temperature increases. Professor John Shepherd, chair of the Royal Society’s geoengineering study.

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Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

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Jacobson used a computer model of global climate, air pollution and weather that he developed over the last 20 years and updated to include additional atmospheric processes to analyze how soot can heat clouds, snow and ice. Black carbon is highly efficient at absorbing solar radiation in the atmosphere, just like a black shirt on a sunny day.

Global 230
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WMO reports GHG concentrations at highest in 800K years

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Together, the Greenhouse Gas Bulletin and Emissions Gap Report will provide a base for decision-making at the UN climate change negotiations, which will be held from 7-17 November in Bonn, Germany. To optimize the use of solar, wind and hydropower production, new types of weather, climate and hydrological services are needed.

2016 186
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Geo-engineering could be ‘our only hope’

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Geo-engineering technologies were found to be very likely to be technically possible and some were considered to be potentially useful to augment the continuing efforts to mitigate climate change by reducing emissions. Geo-engineering and its consequences are the price we may have to pay for failure to act on climate change.”.

Engine 32