Jenn Ackerman and Tim Gruber Want climate news in your inbox? Sign up here for Climate Fwd: , our email newsletter. There were no good choices for John Remus, yet he had to choose. Should he try to hold back the surging Missouri River but risk destroying a major dam, potentially releasing a 45-foot wall of water? Or should he relieve the pressure by opening the spillway, purposefully adding to the flooding of towns, homes and farmland for hundreds of miles. Mr. Remus controls an extraordinary machine — the dams built decades ago to tame a river system that drains parts of 10 states and two Canadian provinces. But it was designed for a different era, a time before climate change and the extreme weather it can bring. “It’s human nature to think we are masters of our environment, the lords of creation,” said Mr. Remus, who works for […]