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