Many families own thousands of undeveloped acres of land since King George and would love to Max out profit on that by having development reaching their land.

自乔治英皇时代，许多家庭都拥有数以千亩未开垦的土地，十分乐意开发他们的土地致利润极大化。

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With a conservation easement, you give some or all of the development rights on your land to a government agency or not-for-profit (there are more than 1, 700 local land trusts), and you get a federal income tax deduction for the gift (the difference in the value of the land before and after the easement is in place).

FORBES: Good And Bad News For Conservationists In New Tax Law