EcoWatch: Last month, the U.S. Environmental Protection Agency (EPA) released a progress report on its ongoing study of hydraulic fracturing and the impacts of fracking on drinking water. The progress report contains a lot of interesting information, but one particular map caught my eye. The map shows that fracking has occurred in more states than previously known, including places like Arizona, Nevada and Maryland. All in all, we now know that fracking has occurred in at least 32 states since 2005.
It...