2012-06-25. Duluth eyes rebuilding for a wetter climate

posted Jun 27, 2012, 11:57 AM by Lisa Ou
| by Bill McAuliffe, StarTribune. An article relevant to GSS Climate Change chapter 8. Excerpt: One of the biggest tasks facing Duluth in the aftermath of last week's historic flash flooding will be repairing the city's 400-mile storm-water removal system. The northern Minnesota city's network of sewers, culverts, ditches and basins, in some places more than 100 years old, suffered "extensive damage all over the city," said Eric Shaffer, Duluth's chief engineer of utilities. But building and rebuilding a sewer system these days means making an educated and possibly expensive guess on a changing climate. Many communities are studying what steps they might take to accommodate increasing precipitation, but for Duluth, it will be a full-immersion process. "Duluth is maybe in the first wave of cities to adapt to climate change," said University of Minnesota Extension climatologist Mark Seeley. Climate scientists say increasing precipitation, particularly from intense thunderstorms, is a symptom of ongoing climate warming, because warm air holds more water vapor than cooler air..... Read more: http://www.startribune.com/local/160198125.html