developing nations all seem to have a problem with pollution, also redeveloping nations
dead fish are seen at the Rodrigo de Freitas lagoon in Rio de Janeiro, March 13, 2013. Thousands of fish have been removed from the lagoon after oxygen levels dropped due to pollution, according to local media. Rodrigo de Freitas lagoon will host the rowing competitions in the 2016 Olympic Games. REUTERS/Sergio Moraes (BRAZIL - Tags: ANIMALS SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY)
http://weather.yahoo.com/photos/pollution-kills-thousands-of-fish-in-brazil-slideshow/
dead fish are seen at the Rodrigo de Freitas lagoon in Rio de Janeiro, March 13, 2013. Thousands of fish have been removed from the lagoon after oxygen levels dropped due to pollution, according to local media. Rodrigo de Freitas lagoon will host the rowing competitions in the 2016 Olympic Games. REUTERS/Sergio Moraes (BRAZIL - Tags: ANIMALS SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY)
http://weather.yahoo.com/photos/pollution-kills-thousands-of-fish-in-brazil-slideshow/