Richardson and Bernard talk about zoning for conservation easements. Most conservation easements are perpetual and may have a huge impact on the land use in a community. With few exceptions, however, conservation easements have not been incorporated in any meaningful way into local land-use planning.
Jesse J. Richardson Jr. & Amanda C. Bernard,
Zoning for Conservation Easements,
74 Law and Contemporary Problems
Available at: http://scholarship.law.duke.edu/lcp/vol74/iss4/5