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NBA Press Releases

Brownfield Definition

U.S. EPA defines brownfields as real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant. Definitions may vary by country, state or province.

  • No one knows exactly how many brownfields there are; estimates range from 400,000 to more than a million in the United States alone.
  • As much as $2 trillion of real estate may be undervalued due to the presence of contamination.
  • Between 5,000 and 10,000 people make their livelihood in the brownfield market.
  • Environmental hazards are estimated to be present at 20-50% of all industrial real estate properties.

Interview requests

Robert Colangelo, executive director of NBA, is available for interviews upon request. To reach him, call 224-567-6790 and introduce yourself as a member of the media. We can also put you in touch with NBA members who can answer your questions about local brownfield markets, specific issues or different sectors of the industry.

About the NBA

NBA is a non-profit membership association dedicated to the responsible redevelopment of brownfields. We help to advance the brownfield market through information, education and events. Learn more about us.