Saturday, 19 January 2013

Climate change to profoundly affect the Midwest, new report says

University of Michigan News Service: Climate change will lead to more frequent and more intense Midwest heat waves while degrading air and water quality and threatening public health. Intense rainstorms and floods will become more common, and existing risks to the Great Lakes will be exacerbated.

Those are some of the conclusions contained in the Midwest chapter of a draft report released last week by the federal government that assesses the key impacts of climate change on every region in the country and analyzes its likely effects on human health, water, energy, transportation, agriculture, forests, ecosystems and biodiversity.

...University of Michigan aquatic ecologist Donald Scavia was a lead convening author of the Midwest chapter. Dan Brown of the School of Natural Resources and Environment was a lead convening author of the chapter on changes in land use and land cover. Rosina Bierbaum of SNRE and the School of Public Health was a lead convening author of the chapter on climate change adaptation. Missy Stults, a research assistant with Bierbaum and a doctoral student at the A. Alfred Taubman College of Architecture and Urban Planning, was a contributing author on the adaptation chapter.

... The report stresses that climate change is already affecting Americans, that many of its impacts are expected to intensify in coming decades, and that the changes are primarily driven by human activity. "Climate change impacts in the Midwest are expected to be as diverse as the landscape itself. Impacts are already being felt in the forests, in agriculture, in the Great Lakes and in our urban centers," said Scavia, director of the Graham Sustainability Institute and special counsel to the U-M president on sustainability issues.

In the Midwest, extreme rainfall events and floods have become more common over the last century, and those trends are expected to continue, causing erosion, declining water quality and negative impacts on transportation, agriculture, human health and infrastructure, according to the report....

The Boone River in Iowa, shot by Tim Kiser (Malepheasant), Wikimedia Commons, under the Creative Commons Attribution-Share Alike 2.5 Generic license

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