According to this article in Area Development Online, developing a brownfield is a no-brainer: infrastructure is in place, governments have redevelopment funds to support it, and "the PR flip is huge."
Mark Crawford writes:
"Businesses should not underestimate the social value of developing brownfields, especially when other site selection factors are about equal for other considered properties."
Additionally, funding is available from government agencies like HUD to redevelop these underused sites, writes Crawford:
"Now millions of extra dollars are available from Housing and Urban Development (HUD) and the Environmental Protection Agency (EPA) for brownfield redevelopment through the American Recovery and Reinvestment Act (ARRA)."
Crawford hits many other reasons why brownfield development is hot.
FULL STORY: Government Funding Sweetens Site Redevelopment

National Parks Layoffs Will Cause Communities to Lose Billions
Thousands of essential park workers were laid off this week, just before the busy spring break season.

Retro-silient?: America’s First “Eco-burb,” The Woodlands Turns 50
A master-planned community north of Houston offers lessons on green infrastructure and resilient design, but falls short of its founder’s lofty affordability and walkability goals.

Delivering for America Plan Will Downgrade Mail Service in at Least 49.5 Percent of Zip Codes
Republican and Democrat lawmakers criticize the plan for its disproportionate negative impact on rural communities.

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Balancing Bombs and Butterflies: How the National Guard Protects a Rare Species
The National Guard at Fort Indiantown Gap uses GIS technology and land management strategies to balance military training with conservation efforts, ensuring the survival of the rare eastern regal fritillary butterfly.
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EMC Planning Group, Inc.
Planetizen
Planetizen
Mpact (formerly Rail~Volution)
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research
NYU Wagner Graduate School of Public Service