The Mayor, pursuant to subchapter I of Chapter 5 of Title 2, shall issue rules to: (1) Designate critical areas for protection within the District; and (2) Protect, conserve, or enhance the environmental function and value of the critical areas designated pursuant to paragraph (1) of this section.
Critical areas
D.C. Code § 8-1731.02, under Natural Resources Conservation..
D.C. Code § 8-1731.02