A beer brewed from recycled toilet water has become a hit among attendees at the annual United Nations Climate Change Conference. "At first their eyes widen," Samantha Thian, a leader of Singapore's youth delegation at the U.N. climate summit in Baku, Azerbaijan, told the New York Times. "Then we reassure them. They're usually coming back the next day for another." The beer, a hoppy pilsner called NEWBrew, is a collaboration between Singaporean company Brewerkz and the island country's national water agency that aims to "draw attention to, and normalize, Singapore's water reclamation efforts." Singapore lacks major natural freshwater sources. While...