The Environment and Us: USA

"There are 50 stars representing the 50 states and there are 13 stripes representing the 13 original colonies ... "

"Established in 1776, the United States is young compared to many other countries. Yet by the 1900s the United States had grown into a world power ... "

"Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783 ... "

The "world's third-largest country by size (after Russia and Canada) and by population (after China and India); Mt. McKinley is highest point in North America and Death Valley the lowest point on the continent ... "

"The United States of America is the world's third largest country in size and nearly the third largest in terms of population ... "

"Most regions (21) in United States lie in the Humid subtropical, no dry season climate zone (Köppen: Cfa). The mean average of annual temperatures range from a high of 24.12°C (75.42°F) in Florida to a low of -1.95°C (28.49°F) in Alaska ... "