The U.S. Geological Survey published a new report highlighting a portable continuous-flow centrifuge which aims to save time and money on contaminant analysis of particles suspended in water samples. A U.S. Geological Survey hydrologist holds a centrifuge bowl containing river suspended sediment for analysis of metals and organic chemicals. The sample was collected using a new in-field continuous-flow centrifugation technique to separate and collect suspended sediment from large volumes of
Her time in the underwater wasteland has gotten easier these days for coral research diver Lindsey Kramer. Stationed in Kailua-Kona — ground zero for the worst recorded coral bleaching in state history in 2014 to 2016 — Kramer wept when she first witnessed the trails of telltale mucus drifting from pillared colonies that were 500 years in the making.
Some 80 percent of cauliflower corals are dead off West Hawaii. … [more…]
The U.S. Environmental Protection Agency (EPA) has released its widely anticipated final report on hydraulic fracturing, or fracking, confirming that the controversial drilling process indeed impacts drinking water "under some circumstances." Notably, the report also removes the EPA’s misleading line that fracking has not led to "widespread, systemic impacts on drinking water resources."
Ray Kemble of Dimock, Pennsylvania, holds a jug … [more…]