INTERVIEW: South African environmental activist Mariette Liefferink, CEO of the Federation for a Sustainable Environment, on the uranium/gold connection in South Africa and the radiation dangers from irresponsible mining practices. NEW FEATURE: Dave Parish of Operation: Save the Earth kicks off a new series on Social Media Supertricks for Activists. NUMNUTZ OF THE WEEK: Fukushima buckwheat near-beer brewed within shouting distance of the radioactive disaster site. You'd think they'd at least include alcohol... PLUS: A whole lot more!