Natural hazards:

Baker, Howland, and Jarvis Islands: the narrow fringing reef surrounding the island can be a maritime hazard Kingman Reef: wet or awash most of the time, maximum elevation of less than 2 m makes Kingman Reef a maritime hazard Midway Islands, Johnston, and Palmyra Atolls: NA

Environment - current issues:

Baker, Howland, and Jarvis Islands, and Johnston Atoll: no natural
fresh water resources
Kingman Reef: none
Midway Islands and Palmyra Atoll: NA

Geography - note:

Baker, Howland, and Jarvis Islands: scattered vegetation consisting of grasses, prostrate vines, and low growing shrubs; primarily a nesting, roosting, and foraging habitat for seabirds, shorebirds, and marine wildlife; closed to the public Johnston Atoll: Johnston Island and Sand Island are natural islands, which have been expanded by coral dredging; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; the egg-shaped reef is 34 km in circumference; closed to the public Kingman Reef: barren coral atoll with deep interior lagoon; closed to the public Midway Islands: a coral atoll managed as a national wildlife refuge and open to the public for wildlife-related recreation in the form of wildlife observation and photography Palmyra Atoll: the high rainfall and resulting lush vegetation make the environment of this atoll unique among the US Pacific Island territories; supports a large undisturbed stand of Pisonia beach forest

People
United States Pacific Island Wildlife Refuges

Population:

no indigenous inhabitants note: public entry is by special-use permit from US Fish and Wildlife Service only and generally restricted to scientists and educators; visited annually by US Fish and Wildlife Service Johnston Atoll: in previous years, an average of 1,100 US military and civilian contractor personnel were present; as of May 2005 all US government personnel had left the island Midway Islands: approximately 40 people make up the staff of US Fish and Wildlife Service and their services contractor living at the atoll Palmyra Atoll: four to 20 Nature Conservancy, US Fish and Wildlife staff, and researchers

Government
United States Pacific Island Wildlife Refuges