The people from Cool Planet explain a soil technology that could help with California’s water woes. Later, host Tony Dokoupil talks to Human Rights Watch about its new report on how climate change increases the problem of child marriages in Bangladesh. We also take a look at which 2016 candidates are the green politicians of the race for the White House. Larry Levine from the Natural Resource Defense Council joins us to talk about the unsanitary state of the waterways in America. Dokoupil discusses with journalists Amber Payne and Kristin Lombardi the environmental racism that exists in the country. Plus, Katie Herzog shows us what is the value of humor in the face of disaster. Greenhouse airs Thursdays at 12pm ET on Shift.Aug. 13, 2015