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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.

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Study: 25% EV adoption would save US $17B annually from avoided climate change & pollution damages

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A new study led by researchers from Northwestern University projects that if electric vehicles replaced 25% of combustion engine cars currently on the road, the United States would save approximately $17 billion annually by avoiding damages from climate change and air pollution. The open-access paper is published in AGU’s journal GeoHealth.

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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). The RCPs were chosen to represent a broad range of climate outcomes, based on a literature review. Ozone formation.

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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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US Climate Action Report to UN Projects 4% Growth in Total US GHG Emissions to 2020

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while the US GDP is projected to grow by 40%, according to the fifth National Communication on US climate change actions submitted by the US Department of State to the United Nations Framework Convention on Climate Change. The United States released previous Climate Action Reports in 1994, 1997, 2002, and 2006.

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California Air Resources Board adopts GHG cap-and-trade program; first auctions slated for Aug/Nov 2012

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The cap-and-trade joins a suite of other major climate program measures including standards for ultra-clean cars (Advanced Clean Cars, earlier post ), low-carbon fuels (Low Carbon Fuel Standard, earlier post ) and renewable electricity. The cap will be set in 2013 at about 2% below the emissions level forecast for 2012. Earlier post.)

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Scientists at Climate Talks Call for New Assessment of Nitrogen and Climate

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A side event organized by the International Nitrogen Initiative (INI) at the COP-15 United Nations Climate Change Conference in Copenhagen will highlight nitrogen’s role in climate change. This massive alteration of the nitrogen cycle affects climate, food security, energy security, human health and ecosystem health.

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