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Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

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Low-sulfur gasoline standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate matter that harms human health and cleaning up the environmental hazard of acid rain. This makes conversion of sulfur dioxide to sulfate more efficient.

Pollution 221
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PCAST suggests 6 key components for climate change strategy to President Obama; adaptation and mitigation

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The President’s Council of Advisors on Science and Technology (PCAST) released a letter to President Obama describing six key components the advisory group believes should be central to the Administration’s strategy for addressing climate change. Improving coordination and support for research efforts on climate change preparedness.

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EPA Climate Change Adaptation Plan sees likely increase in tropospheric ozone, with more difficulty in attaining NAAQS in many areas

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Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.

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Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

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Unlike conventional fuel manufacturing, e-fuels are synthesized from green hydrogen—produced by water electrolysis using renewable electricity—and carbon dioxide, resulting in 80% lower lifecycle emissions. The tests will be conducted by researchers in the Clean Combustion Research Center (CCRC) at KAUST.

Hyundai 448
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US rejects Keystone XL pipeline, citing combatting climate change as critical factor; Kerry: arguments pro and con “overstated”

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The proposed project raises a range of concerns about the impact on local communities, water supplies, and cultural heritage sites. The critical factor in my determination was this: moving forward with this project would significantly undermine our ability to continue leading the world in combatting climate change.

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US rejects Keystone XL pipeline, citing combatting climate change as critical factor; Kerry: arguments pro and con “overstated”

Green Car Congress

The proposed project raises a range of concerns about the impact on local communities, water supplies, and cultural heritage sites. The critical factor in my determination was this: moving forward with this project would significantly undermine our ability to continue leading the world in combatting climate change.

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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

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Schematic diagram of the trade-offs between the implications for regional air quality and global climate change of new policies for management of the atmosphere. In the CalNex 2010 study outlined here, NOAA researchers are studying several issues at the heart of the coupled air quality and climate change problems.