If you’ve spent any amount of time as a GIS analyst, particularly in the public sector, you’ve probably heard the term “brownfield”. A brownfield is a property, commercial or residential,  that is affected by the existence of a hazardous substance, pollutant, or contaminant. Brownfields are a nuisance because they tend to be ugly and are likely to contain hazards such as unsafe structures, sharp objects, or toxic chemicals. How many brownfields are in the U.S.A. and what’s being done about them? Let’s dive in…

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