Endangered earth
By: produced by the Cartographic Division, National Geographic Society ; John B. Garver, chief cartographer ; text by Douglas B. Lee, NGS senior staff.
Contributors: Garver, John B.
Publisher: The Society
Place of publication: Washington, D.C
Format: Map
Subjects: Pollution  -- Maps.; World maps.
Notes: Includes text, ancillary maps of "Ice age vegetation 18,000 years BP" and "Greenhouse-effect vegetation zones," 3 other ancillary maps, and chronological chart.