Seven years ago our book, Toxic Sludge Is Good For You, broke the story of how the U.S. Environmental Protection Agency (EPA) was disposing of toxic sewage sludge by calling it "biosolids, a natural organic fertilizer," and allowing it to be dumped on farmland across the US. Today 70% of the nation's toxic sewage sludge is spread on cropland, a major environmental scandal and a threat to public health.