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

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2009), reproduced from Ramanathan and Feng (2008) Click to enlarge. The Montreal Protocol has already delayed climate change by seven to 12 years, and put the ozone layer on the path to recovery later this century. The Montreal Protocol is critical for avoiding abrupt climate change. From Molina et al. Ramanathan.

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Perspective: The Role of Offsets in Climate Change Legislation

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This article shows that including offsets in climate change legislation would likely make an emissions program more cost-effective by: (a) providing an incentive for non-regulated sources to generate emission reductions; and (b) expanding emission compliance opportunities for regulated entities. Assuming the offset is legitimate—i.e.,

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The View From Here Today

Creative Greenius

We’ve always planned on retiring and spending the rest of our lives right here, but these days we’re worried about what climate change is already doing – and about the far more serious consequences headed our way. We’re already getting used to the fires, smoke and related air hazards here in the L.A.

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US and UK researchers report direct measurement of key atmospheric reactant; more rapid formation of secondary aerosols

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succeeded in isolating the simplest CI and reported direct kinetic measurements of its reactions with water, NO, NO 2 , and SO 2. Our results will have a significant impact on our understanding of the oxidizing capacity of the atmosphere and have wide ranging implications for pollution and climate change. Welz et al.

Ozone 268
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California ARB releases proposed new plan to cut 2030 GHG by 40% v. 1990; more stringent LCFS, more ZEVs

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These include cleaner, more fuel-efficient cars and zero emission vehicles, low-carbon fuels, renewable energy, waste diversion from landfills, water conservation, improvements to energy efficiency in homes and businesses, and a Cap-and-Trade Program. The first Scoping Plan required by Assembly Bill 32 (AB 32) was adopted in 2008.

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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as compared to 1990 emissions, to be achieved between 2008 and 2012. Environmental NGOs, as well as small UNFCCC member states that are projected to bear the brunt of climate change, immediately accused supporters of the plan of working to scuttle the Copenhagen talks before they began. by Jack Rosebro.

Climate 236
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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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We have to start taking its effects into account in planning our mitigation efforts and the sooner we start making changes, the better. Warming of the air by any chemical, including soot, enhances natural surface emissions of water vapor [e.g., 2008] and methane [Schutz et al., Tags: Climate Change Emissions.

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