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.
For the 2010 film with highlights from this series, see Planet Earth Live. For the 1986 PBS TV series, see Planet Earth (1986 series). For the franchise as a whole, see Planet Earth (franchise). Planet Earth is a landmark 2006 British television series produced by the BBC Natural History Unit. Five years in the making, it was the most expensive nature documentary series ever commissioned by the BBC and also the first to be filmed in high definition. Planet Earth premiered on 5 March 2006 in the United Kingdom on BBC One, and by June 2007 had been shown in 130 countries.