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OES Now Hiring 

OES Now Hiring

OES is now seeking qualified candidates for the full-time professional staff position of Environmental Policy Analyst. This person will be responsible for helping to implement the City’s sustainability plan – ReFresh Milwaukee. Specifically, OES is seeking a professional with experience in water, green infrastructure and the renewable energy fields.

Get more information

Email Cover Letter and Resume by January 31, 2015

Ezekiel Gillespie Park Nominated for MANDI Award 

Ezekiel Gillespie Park Nominated for MANDI Award

HOME GR/OWN's Ezekiel Gillespie Park named finalist for 2015 MANDI Award.


OES Newsletter 

OES Newsletter

Milwaukee Office of Environmental Sustainability's most recent newsletter.

Get the latest updates on Milwaukee's sustainability initiatives

City Releases 1st Annual ReFresh MKE Progress Report 

City Releases 1st Annual ReFresh MKE Progress Report

In December, 2014, the City of Milwaukee released its first annual ReFresh Milwaukee Progress Report.

Learn how Milwaukee is reaching its sustainability goals


Welcome to the Office of Environmental Sustainability

The City of Milwaukee Office of Environmental Sustainability (OES) was created by Mayor Tom Barrett to enhance Milwaukee's sustainability and position the city as a national leader in sustainability performance. OES has helped thousands of homeowners and hundreds of businesses and organizations achieve their sustainability goals while reducing emissions, waste and resource inefficiencies. As a result of OES's strategic investments in the community, $30 million of economic activity has been stimulated since 2010.

Check out our programs below and see how we are ReFreshing Milwaukee every day!

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About Us

OES promotes cost-effective sustainability practices that meet Milwaukee’s urgent environmental, economic and social needs while enhancing long-term economic development, thus, improving the environment and livability of Milwaukee for all its citizens.

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ReFresh Milwaukee

ReFresh Milwaukee provides a vision for community sustainability over the next 10 years with wide-ranging goals and targets to be met. ReFresh Milwaukee seeks to make Milwaukee a center for sustainability innovation and thought leadership.

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OES provides resources for home owners in the City of Milwaukee. Learn how lower your bills. Connect with resources to help you live more sustainably in your neighborhood.

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OES offers solutions to help Milwaukee businesses be more competitive by lowering costs and saving energy, reducing waste and other inefficiencies.


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City Operations

The OES team works with City departments and the Common Council to reduce energy and resource consumption in order to save taxpayer money.

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Residents are transforming neighborhoods by re-purposing foreclosed properties into community assets that spark new economic opportunities around local, healthy food production and distribution.



Contact Us

200 E. Wells Street, Rm 603
Milwaukee, WI 53202  

414-286-CITY (2489)



Sustainability Director

Matthew Howard


Phone: 414-286-8317