Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3 751 351 residents as of the 2010 census and a land area of 68 667 square miles (177 847 kmĀ²) Oklahoma is the 28th most populous and 20th-largest state. The state's name is derived from the Choctaw words okla and humma meaning red people and is known informally by its nickname The Sooner State.

5 Tips to Save the Earth

There are many easy things that people can do to help save the earth from further deterioration. All it takes is a little forethought and action. Below are five things that will save our planet.