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Columbia team organizes available scientific evidence on the effects of air pollution on children’s health

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Researchers at Columbia University, with colleagues at Boston University and Abt Associates, have identified concentration-response (C-R) functions for a number of adverse health outcomes in children associated with air pollutants largely from fossil fuel combustion. A paper on their work is published in journal Environmental Research.

Pollution 247
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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

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For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Climate Change Coal Emissions Fuel Efficiency'

2013 299
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Study Finds On-Road Transportation Sector the Greatest Net Contributor to Atmospheric Warming Now and in Mid-Term; Power Sector Takes the Lead by 2050

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Radiative forcing due to perpetual constant year 2000 emissions grouped by sector for 2020 (left) and 2100 (right) showing the contribution from each species. Cars, buses, and trucks release pollutants and greenhouse gases that promote warming, while emitting few aerosols that counteract it. From Unger et al., Click to enlarge.

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Six refineries in $425M settlement with EPA and DOJ over emissions violations

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and Par Hawaii Refining that resolves alleged Clean Air Act violations and protects public health by reducing air pollution at six refineries. Strict internal leak definitions: 500 ppm for valves and 2000 ppm for pumps. Refineries also emit greenhouse gases that contribute to climate change, as well as fugitive VOCs.

Emissions 150
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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. Earlier post.). Earlier post.).

Congress 252
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New Research Tools for Assessing Impacts of Aerosols on Climate

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Creation of this database is a big step forward for researching long-term changes in air pollution and correlating these with climate change. The researchers compared the visibility data to available satellite data (2000-2007), and found it to be comparable as an indicator of aerosol concentration in the air.

Climate 150
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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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“ One Agreement, Two Steps ” Expectations for Copenhagen quickly became complicated after Danish Prime Minister Lars Løkke Rasmussen boarded an overnight flight to Singapore to address an impromptu breakfast forum on climate change at the Asia Pacific Economic Co-operation (APEC) summit on 15 November. by Jack Rosebro.

Climate 236