Boston Calling

M.J. Khan, the president of the Islamic Society of Greater Houston, who spent a sleepless night monitoring relief efforts, tells us what Houston’s residents are doing to help each other. Also: experts weigh in on how Houston can plan for future flooding events; a brewer in Amsterdam turns rain into beer; an activist vows to keep the Marshall Islands from disappearing beneath rising seas; we learn if climate change is behind extreme hurricanes; plus a port city in Maine revitalizes its economy by shipping pregnant cows to Turkey . (Image: A flooded road is seen during the aftermath of Hurricane Harvey on August 30, 2017 in Houston, Texas. Credit: Brendan Smialowski/Getty Images)