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Charlotte Mitchell Duyshart

Associate Legislative Director, Environment, Energy & Land Use | Gulf Coast Regional Forum

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Nearly two out of every three counties (64 percent) have an identified brownfield property. Cook County, Ill. alone has more than 600 properties, the most of any county with a brownfield site, with the median number of sites for brownfield counties reaching five properties. These sites are concentrated in rust-belt and other former industrial- heavy regions of the country. With more than 450,000 total estimated sites, brownfields impact every county to varying degrees.

Brownfield properties can come in many shapes and sizes. Often, they are thought of as large abandoned industrial complexes, but it is more common for brownfield sites to be smaller properties like former gas stations, dry cleaners or automotive repair garages. Brownfield sites can also be agricultural, residential, railroad sites, chemical manufacturing plants or public buildings.

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U.S. Department of the Interior issues new NEPA regulations recognizing local governments as cooperating agencies

On February 23, the U.S. Department of the Interior (DOI) announced a final rule updating the Department’s regulations for implementing the National Environmental Policy Act (NEPA; P.L. 91-190). In a step forward for counties, the final rule reinstates provisions that name local government agencies as cooperating agencies during the NEPA environmental review process.

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National Stormwater Policy Forum Webinar

Learn about current policy issues driving the stormwater sector today.

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Conference

2026 NACo Energy Symposium

Randall and Potter Counties, Texas

Registration opening April 1: Join county leaders from across the country in Amarillo, Texas to engage with the most pressing energy issues shaping rural America today. Hear from experts, exchange ideas with peers and gain practical insights into the policies, projects and partnerships driving rural energy development.