Kammer, Sean M., and Sarah E. Christopherson. “Reserving a Place for Nature on Spaceship Earth: Rethinking the Role of Conservation Easements”. Columbia Journal of Environmental Law 43, no. 1 (November 11, 2019). Accessed April 20, 2024. https://journals.library.columbia.edu/index.php/cjel/article/view/3743.