Chemicals in Our Air How much is too much, when it comes to air pollution? For 8 dangerous chemicals, the US National Research Council (NRC) collected all the data reports out there. They did an analysis to answer this very question. Pollution levels are the focus of their 2013 publication “Acute Exposure Guidelines Levels for Selected … Continue reading »
Does poking holes in the earth cause earthquakes? For nearly 100 years, the answer from scientists has been “yes”. Most recently tremors and small earthquakes in Arkansas, Ohio and Texas came from waste water disposal wells from oil and gas drilling operations. And one in Oklahoma from hydraulic fracturing for shale gas, fracking. A new expert … Continue reading »
