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Climate Change Impacts in the United States. Midwest. Third National Climate Assessment. [Name] [Date]. Midwest http:// Convening Lead Authors Sara C. Pryor, Indiana University Donald Scavia , University of Michigan Lead Authors

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climate change impacts in the united states

Climate Change Impacts in the United States


Third National Climate Assessment



midwest http nca2014 globalchange gov report regions midwest
  • Convening Lead Authors
    • Sara C. Pryor, Indiana University
    • Donald Scavia, University of Michigan
  • Lead Authors
    • Charles Downer, U.S. Army Engineer Research and Development Center
    • Marc Gaden, Great Lakes Fishery Commission
    • Louis Iverson, U.S. Forest Service
    • Rolf Nordstrom, Great Plains Institute
    • Jonathan Patz, University of Wisconsin
    • G. Philip Robertson, Michigan State University
temperatures are rising in the midwest
Temperatures are Rising in the Midwest

Figure source: updated from Kunkel et al. 2013

impacts to agriculture
Impacts to Agriculture

In the next few decades, longer growing seasons and rising carbon dioxide levels will increase yields of some crops, though those benefits will be progressively offset by extreme weather events. Though adaptation options can reduce some of the detrimental effects, in the long term, the combined stresses associated with climate change are expected to decrease agricultural productivity.

crop yields decline under higher temperatures
Crop Yields Decline under Higher Temperatures

Figure source: Mishra and Cherkauer 2010

forest composition
Forest Composition

The composition of the region’s forests is expected to change as rising temperatures drive habitats for many tree species northward. The role of the region’s forests as a net absorber of carbon is at risk from disruptions to forest ecosystems, in part due to climate change.

forest composition shifts
Forest Composition Shifts

Figure source: Prasad et al. 2007

public health risks
Public Health Risks

Increased heat wave intensity and frequency, increased humidity, degraded air quality, and reduced water quality will increase public health risks.

reducing emissions improving health
Reducing Emissions, Improving Health

Figure source: Grabow et al. 2012; reproduced with permission from Environmental Health Perspectives

fossil fuel dependent electricity system
Fossil-Fuel Dependent Electricity System

The Midwest has a highly energy-intensive economy with per capita emissions of greenhouse gases more than 20% higher than the national average. The region also has a large and increasingly utilized potential to reduce emissions that cause climate change.

increased rainfall and flooding
Increased Rainfall and Flooding

Extreme rainfall events and flooding have increased during the last century, and these trends are expected to continue, causing erosion, declining water quality, and negative impacts on transportation, agriculture, human health, and infrastructure.

when it rains it pours
When it Rains, it Pours

Figure source: NOAA NCDC / CICS-NC

increased risk to the great lakes
Increased Risk to the Great Lakes

Climate change will exacerbate a range of risks to the Great Lakes, including changes in the range and distribution of certain fish species, increased invasive species and harmful blooms of algae, and declining beach health. Ice cover declines will lengthen the commercial navigation season.

ice cover in the great lakes
Ice Cover in the Great Lakes

Data updated from Bai and Wang, 2012

climate change impacts in the united states http nca2014 globalchange gov

Climate Change Impacts in the United States


Third National Climate Assessment


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