A couple of similar mechanisms already exist. One way to do this is through a conservation easement, which essentially splits off the right to develop some lan

A couple of similar mechanisms already exist. One way to do this is through a conservation easement, which essentially splits off the right to develop some land and sells/donates that right to a land trust or the government. You retain ownership of the land itself, but this restriction becomes part of the title, so it runs with the land and binds you and future owners to its terms. In exchange, the donation is tax deductible (or the sale nets you money) and the easement also reduces your property tax since the land is now worth less (30-60%). There are also less permanent versions where the owner agrees to manage the land in a particular way or according to a designated person’s advice (e.g., a forester). I think these are often for a fixed term (e.g., 10 or 25 years).