AQLI: new data reveals little progress globally in reducing air pollution over the last two decades

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Particulate air pollution continues to cut global life expectancy by nearly two years as progress in some countries counterbalances worsening air quality in others, according to the Air Quality Life Index (AQLI).

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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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A study by an international team of researchers, led by Drew Shindell of NASA’s Goddard Institute for Space Studies (GISS) in New York City, has identified 14 measures targeting methane and black carbon (BC) emissions that could reduce projected global mean warming ~0.5°C In addition, they darken ice and snow, reducing their reflectivity and hastening global warming. Tropospheric ozone and black carbon (BC) contribute to degraded air quality and global warming.

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2018 Environmental Performance Index: Air quality top public health threat

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Low scores on the EPI are indicative of the need for national sustainability efforts on a number of fronts, especially cleaning up air quality, protecting biodiversity, and reducing GHG emissions, said the researchers. The 2018 EPI offers not only a snapshot of where countries stand today but also reflects important trends in environmental performance at both the national and global levels. EPI and Global Sustainability Data.

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Report Finds Water Stress Rapidly Becoming Key Strategic Risk to Commerce; Impending Water/Energy Collision

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Among the increasing challenges is that while the sourcing, processing, and delivery of clean water is becoming more energy-intensive, the extraction and refining of fossil fuels and their substitutes is trending towards increasing water requirements per unit of fuel produced as energy companies work with progressively lower grade resources. by Jack Rosebro. Water consumption or withdrawals per unit of energy produced, by energy type, in the United States. Source: DHI Group.

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