Brownfield

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Brownfield

1. Unused land previously utilized for industrial or other commercial purposes, especially land that is polluted or otherwise contaminated. Municipalities and private businesses sometimes attempt to clean up brownfields and/or find new uses for them.

2. More generally, land no longer in use. The term in this sense is most common the United Kingdom and Australia.
References in periodicals archive ?
To begin with, there are an estimated 150,000 to 450,000 brown fields throughout the United States.
An interagency construction rule reform task force is at work, and the city has just won a Federal grant to clean up industrial brown fields.
7 million from the federal government to aid with the environmental cleanup of several so-called brown fields sites so they can be reformulated.
The brown fields are just sitting there collecting rubbish.