Tuesday, Sept. 27, 2016

BMPs put to test

What are the best methods for reducing ag pollution?

UMCES

Inside Science

Farmers have implemented a menagerie of agricultural pollution control methods across Chesapeake Bay's 64,000-square-mile watershed in an effort to clean up the iconic waterbody over the last three decades. But some scientists have been questioning whether some of the methods — collectively known as best management practices or BMPs — actually reduce pollution as much as estimated. An ambitious five-year, $1.5 million study aims to figure out which ones work best.

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Climate change will cripple coast septic systems

Circle of Blue

Adapting sanitation systems to a fast-changing ecological reality is a challenge not only for big municipal institutions. According to new research, many septic systems — which are simple, backyard devices for addressing the ceaseless problem of toilet waste — are unfit for future climate conditions. Because of a higher water table linked to higher sea levels, conventional septic systems near the coast will not be as effective at removing harmful bacteria and nutrients.

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New research finds way to make fracking safer

Science Daily

Injecting wastewater deep underground as a byproduct of oil and gas extraction techniques that include fracking causes human-made earthquakes, new research has found. The study, which also showed that the risk can be mitigated, has the potential to transform oil and gas industry practices.

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