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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Source: WHO.

Pollution 435
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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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NUS researcher links air pollution to increased residential electricity demand

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This is important for policymakers when forecasting and influencing future emissions paths in the context of climate change. The reasons were two-fold: (i) increased air pollution led to households staying indoors more to mitigate the pollution impact; and (ii) PM 2.5 pollution ranges between 20 and 200 ?

Pollution 275
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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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US rejects Keystone XL pipeline, citing combatting climate change as critical factor; Kerry: arguments pro and con “overstated”

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In response, TransCanada announced it would review all of its options, including filing a new application to receive a Presidential Permit for a cross-border crude oil pipeline from Canada to the United States. Several days ago, TransCanada had requested suspension of the permit process, a request denied by the US. —Secretary Kerry.

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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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In response, TransCanada announced it would review all of its options, including filing a new application to receive a Presidential Permit for a cross-border crude oil pipeline from Canada to the United States. Several days ago, TransCanada had requested suspension of the permit process, a request denied by the US. —Secretary Kerry.