Nose under the tent—once in place will require courts to sort out overzealous moves on their part. Probably will lower property values as buyers shy from such entanglements.
http://www.nationalcenter.org/PR-Conservation_Easements_052708.html
http://www.foxbusiness.com/politics/2013/01/21/land-trust-scams-on-rise.html
http://www.theday.com/article/20150314/NWS01/303149962
Ditto what Ozark Tom said. If you give the EPA or Corps an inch of ground, you’ll be fighting them for eternity. Vote NO and encourage your neighbors to do likewise.