November 23, 2011, 2pm PST
Brazilian cities dominated the list compiled by AméricaEconomía. Many traditional Brazilian metropolises rose in the list, while many of its B-level cities like Campinas (20th) and Manaus (29th) were included for the first time.
June 29, 2011, 10am PDT
In Widou, an area in the Ferlo region of northern Senegal, the people are working to plant 390,000 trees before the end of July as a part of a multi-state program to decrease desertification.