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EPA proposes retaining current NAAQS for particulate matter

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The US Environmental Protection Agency (EPA) is proposing to retain, without changes, the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) including both fine particles (PM 2.5 ) and coarse particles (PM 10 ). EPA sets both an annual and a 24-hour standard for fine particles (PM 2.5 ). concentrations.

EPA 186
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InterAcademy Council Report Terms UN IPCC Process a Success Overall, Calls for Reform in Management Structure

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However, the world has changed considerably since the creation of the IPCC, with major advances in climate science, heated controversy on some climate-related issues, and an increased focus of governments on the impacts and potential responses to changing climate. The report was released yesterday at the United Nations.

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

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Although most countries have already revealed their opening emissions reduction proposals, UNFCCC Executive Secretary Yvo de Boer pointed out Thursday that “ we still await clarity from industrialized nations on the provision of large-scale finance to developing countries for immediate and long-term climate action. by Jack Rosebro.

Climate 236
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. To address those and other questions, the TOAR research team produced the first global-scale scientific assessment of tropospheric ozone, based on all available surface observations and the peer-reviewed literature. Owen Cooper.

Ozone 255
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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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The RCPs were chosen to represent a broad range of climate outcomes, based on a literature review. Warmer temperatures and other changes in the atmosphere related to a changing climate, including higher atmospheric levels of methane, spur the chemical reactions that lead to ozone. The RCP 8.5

Ozone 199
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Australia PM Gillard announces carbon pricing plan; transport fuels exempt, but lowered fuel tax credits to bring carbon price to some businesses

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We have had a long debate about climate change in this country. Most Australians now agree our climate is changing, this is caused by carbon pollution, this has harmful effects on our environment and on the economy—and the Government should act. These include implementing mandatory CO 2 standards for light vehicles.

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Updated Life Cycle Analysis of Soybean Production and Products Show Environmental Improvements

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A group of international reviewers verified the project was performed in accordance with International Organization for Standardization (ISO) 14040/44 Life Cycle Requirements. Reviewers included Dr. Martin Patel of Utrecht University and Michael Levy of the American Chemistry Council. kg (for the 3.36 kg (for the 3.36