Living on Earth: CURWOOD: From the Jennifer and Ted Stanley Studios in Somerville, Massachusetts – this is Living on Earth. I’m Steve Curwood. Since three days before Christmas we’ve been learning more and more about the massive spill of toxic coal power plant waste that has made well waters in part of Kingston, Tennessee unsafe to drink. Arsenic and other poisons have now gotten into two nearby rivers. Local resident Sarah McCoin describes the sludge that’s inundated dozens of homes close to …