Systems Planning

Climate Action

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​Ann Arbor has measured a 44% increase in precipitation and 41% increase in extreme storms.

​​​​​​​Adopted in 2012, Ann Arbor's Climate Action Plan​ (CAP) sets targets to reduce Ann Arbor's greenhouse gas (GHG) emissions 25% by 2025 and 90% by 2050. Cities across the country and world have been tackling the issue of climate change at the local level through climate action plans, which lay out a set of strategies to lower carbon and related emissions that trap heat in the atmosphere. Building energy use, vehicle use, and how we protect natural and material resources all impact the global climate.

Ann Arbor's communitywide GHG emissions grew .8% from 2000 to 2010, and in 2010 GHG emissions were 2.21 metric tons CO2e. The City is working to update emissions estimates for 2015 and beyond. 

Ann Arbor's CAP identifies 84 actions in four areas to reduce community-wide GHG emissions. If all actions in the plan are implemented, Ann Arbor can reach its goal of reducing GHG emissions 25% by 2025. The CAP also includes five strategies to enable Ann Arbor to ad​apt to changes in climate​ that we are already experiencing. ​

*The City of Ann Arbor's Climate Action Plan was made possible by a generous Pollution Prevention Grant from the Michigan Department of Environmental Quality from 2010-2012.*

​Updates to the ​Climate Action Plan

​​​In January 2016, nonprofit partners ​and staff updated the Ann Arbor City Council on the progress of the Climate Action Plan. Climate Action Plan Update Jan. 5, 2016​ (PDF)

Progress on Actions by CAP Area

CAP Progress - V2.png

What is the Ann Arbor Climate Partnership?

The Ann Arbor Climate Partnership brings together residents, business owners, city commissioners, and community partners to collaboratively implement the Climate Action Plan and educate residents on how they can play a role. Learn more about how to get engaged.​


​What Climate Impacts are Expected in Ann Arbor?

According to Great Lakes Integrated Sciences and Assessment (GLISA), a regional university and agency research center, Ann Arbor is expected to experience a variety of impacts to our current climate. View a summary of expected changes to the Great Lakes climate. Expected impacts include:

  • Warmer average temperatures

  • Warmer low and nighttime temperatures

  • Shorter winters

  • More total precipitation

  • More severe precipitation events

  • More extreme heat and drought​


Energy Office
301 E. Huron St.
P.O. Box 8647
Ann Arbor, MI 48107
(734) 794-6430 x43726

Companion Climate Action Website:


Ann Arbor Climate Action Plan
(27 MB)

CAP Executive Summary (13.5 MB) 

Introduction (7.5 MB)

Energy & Buildings (16 MB)

Land Use & Access (19 MB)

Resource Management (24.6 MB)

Community & Health & Conclusion
(18.7 MB)

CAP Summary Matrix of Plan Actions (2.8 MB)

GHG Reports:

2003 UM School of Natural Resources and the Environment (SNRE) Greenhouse Gas Emissions Reduction Strategy