Richard Mabion welcomes Paul Grahovac, LEED AP, of Build Smart to talk about Passive Energy Buildings. Also, on This Week in Water: The Standing Rock Sioux are standing up to sue--again. A supervisor in the Iowa Department of Natural Resources called this a big one. The CDC abruptly canceled its climate conference, so this former pol will host it instead. A gag gift? Hardly. A two-mile-long crack opened in the Arizona desert and cows are falling in. You say tomato, I say tomahto.