Gold King Mine owner Todd Henis stops by Greenhouse to explain why the Colorado river spill was a massive regulatory failure on behalf of the EPA. President Obama will visit the Arctic, but will it change his views of the Shell drilling plan? Plus, Tony Dokoupil talks to Antonio Regalado about the alternatives to GMOs. We introduce the Batman of the Hudson, a loner, who is fighting to get the New York City waterways cleaned. Greenhouse looks at Geography of Poverty’s latest installment and how Cancer Alley is the perfect example of what some call environmental racism. Sierra Club stops by to unveil their annual list of green colleges and universities. Dokoupil also hops on a bike to see why cargo bikes are on the rise in New York City. Greenhouse airs Thursdays at 12pm ET on Shift.Aug. 20, 2015