Alligator Alcatraz is the migrant detention center near the Florida Everglades. New aerial video shows the "small city in the swamp."

Two influential environmental groups suing state officials over construction of Alligator Alcatraz are sounding the alarm over what they say is a “catastrophe” unfolding at the remote site of the state-manage controversial immigration detention facility.

Florida Gov. Ron DeSantis claims new migrant detention center has “zero” environmental impact. That’s not possible, experts say.