Pollution

Air pollution exposure inequality persists in Massachusetts
November 10, 2017 10:36 AM - Michelle Samuels

Despite overall reductions in ambient air pollution in Massachusetts, exposure continues to fall unequally along racial/ethnic, income, and education lines, according to a new study led by a School of Public Health researcher.

The study, published in Environmental Research, found concentrations of nitrogen dioxide (NO2) and fine particulate matter (PM2.5) decreased across the state between 2003 and 2010, but exposure remained higher in predominantly Hispanic and non-Hispanic black communities. Within the state’s cities, the researchers found exposure inequality actually increased slightly between racial/ethnic groups during the study period.

Baltic Clams and Worms Release as Much Greenhouse Gas as 20 000 Dairy Cows
November 10, 2017 09:54 AM - Stockholm University

Worms and clams enhance the release of methane up to eight times more compared to sea bottoms without animals, shows a study by scientists at Stockholm University and Cardiff University.

China's Sulfur Dioxide Emissions Declined Significantly While India's Grew Over Last Decade
November 9, 2017 12:09 PM - University of Maryland

Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. It is produced predominantly when coal is burned to generate electricity.

China's Sulfur Dioxide Emissions Declined Significantly While India's Grew Over Last Decade
November 9, 2017 12:09 PM - University of Maryland

Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. It is produced predominantly when coal is burned to generate electricity.

Indian Air Pollution Reaches Dangerous Levels, Doctors Warn
November 9, 2017 10:25 AM - Yale Environment 360

Air pollution in the Indian capital of Delhi has reached extraordinarily high levels, equivalent to smoking two packs of cigarettes a day, the nation’s doctors and public health experts warned this week.

Indian Air Pollution Reaches Dangerous Levels, Doctors Warn
November 9, 2017 10:25 AM - Yale Environment 360

Air pollution in the Indian capital of Delhi has reached extraordinarily high levels, equivalent to smoking two packs of cigarettes a day, the nation’s doctors and public health experts warned this week.

27 Ways Heatwaves Can Kill
November 9, 2017 09:00 AM - University of Hawaii at Manoa

A new systematic synthesis by researchers at the University of Hawai?i at M?noa shows that there are at least 27 different physiological pathways in which a heatwave can kill a human being, and everyone is at risk.

Mandatory state policies work best to curb power plant emissions, study finds
November 8, 2017 03:18 PM - Carol Clark, Emory University

“Due to the current void in national leadership on the issue of climate change, efforts at the state and local level are more important than ever,” says Eri Saikawa, an assistant professor of Environmental Sciences.

JRC at COP23: A Cleaner, Greener Planet is Both Possible and Affordable
November 8, 2017 01:01 PM - European Commission Joint Research Centre

Limiting global warming below the critical 2C level set out in the Paris Agreement is both feasible and consistent with economic growth – and the knock-on improvements to air quality could already cover the costs of mitigation measures and save more than 300,000 lives annually by 2030.

Cities Can Cut Greenhouse Gas Emissions Far Beyond Their Urban Borders
November 7, 2017 11:16 AM - Potsdam Institute for Climate Impact Research (PIK)

Greenhouse gas emissions caused by urban households’ purchases of goods and services from beyond city limits are much bigger than previously thought. These upstream emissions may occur anywhere in the world and are roughly equal in size to the total emissions originating from a city’s own territory, a new study shows. This is not bad news but in fact offers local policy-makers more leverage to tackle climate change, the authors argue in view of the UN climate summit COP23 that just started. They calculated the first internationally comparable greenhouse gas footprints for four cities from developed and developing countries: Berlin, New York, Mexico City, and Delhi. Contrary to common beliefs, not consumer goods like computers or sneakers that people buy are most relevant, but housing and transport – sectors that cities can substantially govern.

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