Expatistan's Cost of Living Map of North America. This map shows only the top cities in the world. We also have a list of all the cities available in Expatistan. The color of the markers corresponds with the Cost of Living in the city. Red markers show more expensive cities, green ones show cheaper cities.
Sir David Attenborough, the legendary broadcaster most famous for narrating BBC documentary series such as Planet Earth and Life, has spoken out against humanity's effect on the world he has covered for the past six decades.
.  -American Heritage Magazine, October 1993 History Highlights Environmental Timeline Earth Day Audio Information on this page provided by:The Wilderness Society How the First Earth Day Came About By Senator Gaylord Nelson, Founder of Earth Day What was the purpose of Earth Day? How did it start?