Regulatory

Groundwater depletion and western US water supply
July 24, 2014 04:34 PM - NASA and UC Irvine

A new study by NASA and University of California, Irvine, scientists finds more than 75 percent of the water loss in the drought-stricken Colorado River Basin since late 2004 came from underground resources. The extent of groundwater loss may pose a greater threat to the water supply of the western United States than previously thought. This study is the first to quantify the amount that groundwater contributes to the water needs of western states. According to the U.S. Bureau of Reclamation, the federal water management agency, the basin has been suffering from prolonged, severe drought since 2000 and has experienced the driest 14-year period in the last hundred years.

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Drilling in the Dark
August 1, 2014 08:54 AM - University of Wisconsin-Madison

As production of shale gas soars, the industry's effects on nature and wildlife remain largely unexplored, according to a study by a group of conservation biologists published in Frontiers in Ecology and the Environment on August 1. The report emphasizes the need to determine the environmental impact of chemical contamination from spills, well-casing failure, and other accidents. "We know very little about how shale gas production is affecting plants and wildlife," says author Sara Souther, a conservation fellow in the Department of Botany at the University of Wisconsin-Madison. "And in particular, there is a lack of accessible and reliable information on spills, wastewater disposal and the chemistry of fracturing fluids. Of the 24 U.S. states with active shale gas reservoirs, only five maintain public records of spills and accidents." The 800 percent increase in U.S. shale gas production between 2007 and 2012 is largely due to the use of hydraulic fracturing. Also called fracking, the process uses high-pressure injection of water, laden with sand and a variety of chemicals, to open cracks in the gas reservoir so natural gas can flow to the well.

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SPOTLIGHT

Climate Change Decadal Pause Study — Accidental Climate Mitigation

Professor Jesse Thé and Professor Roydon Fraser, University of Waterloo
Professors Jesse Thé and Roydon Fraser from the University of Waterloo are initiating a study on the potential cause of the decade long pause on global warming. This is an interview with Prof. Thé, as a disclosure is also ENN’s Editor-in-Chief. . ENN: What is causing this decade long pause on the average global temperature increase? Prof. Thé: First of all, note that the last decade was the warmest on record. While the maximum temperatures are not increasing as fast, we are not seen a real pause on temperature increase, just a significant reduction on its growth rate. Second, researchers are not certain and our work at this stage can only be placed in the scientific method as a hypothesis. Until we develop the full analysis, all my views in this interview are based on our hypothesis that the pause in the temperature increase is cause by the aerosol formation form the massive burning of coal in China (50% of global consumption of coal) and India.

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Art With Purpose: Emily Dickinson Poetry Slam Edition

July 31st, 2014
Who robbed the woods, The trusting woods? The unsuspecting trees Brought out their burrs and mosses His fantasy to please. He scanned their trinkets, curious, He grasped, he bore away. What will the solemn hemlock, What will the fir-tree say?
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Why Norway is Keen to Collect the Rest of Europe’s Rubbish

July 28th, 2014
Norway is leading the way in Europe by turning other countries’ unwanted waste into energy, so they are successfully turning trash into cash...
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Dandelion Salad, Anyone?

July 22nd, 2014
Yes, dandelion salad is a real thing, not just a made up salad that kids make while playing pretend in the back yard. In fact, many commonly found plants are actually edible, including dandelions. I thought it would be fun to include some easily found leafy appetizers for ENN users to experiment with. Of course, not all plants are edible, so it is important to correctly identify a plant before trying to eat it.
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