North America million, though Cuba, Dominican Republic, Haiti, Puerto Rico (a territory of the United States), Jamaica, and Trinidad and Tobago each have populations higher than a million. Greenland has a small population of 55,984 for its massive size (2,166,000 km² or 836,300 mi²), and therefore, it has the world's lowest population density at 0.026 pop./km² (0.067 pop./mi²). While the United States, Canada, and Mexico maintain the largest populations, large city populations are not restricted to those nations. There are also large cities in the Caribbean. The largest cities in North America, by far, are Mexico City and New York. These cities
Discover Life in America Discover Life in America Discover Life in America is a non-profit NGO founded in 1998. It is based in Great Smoky Mountain National Park, and is located near the mountain resort city of Gatlinburg in Sevier County, Tennessee. The primary function of DLIA is to help administer the All Taxa Biodiversity Inventory, a joint effort with scientists and volunteers worldwide to create an inventory of all the living species located in GSMNP. This has been cited as one of the largest efforts of its kind, and has been compared to such efforts as the human genome project in terms of