Polluted beaches of the Rio Olympics water sports site

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Guanabara Bay will be the site of sailing events during the 2016 Summer Games.

RIO DE JANEIRO, BRAZIL - JANUARY 21: Debris litters the shoreline of the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: Debris litters the shoreline of the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: Kids play along the shoreline of the polluted waters of Guanabara Bay in the Ilha do Governador neighborhood on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: Kids play along the shoreline of the polluted waters of Guanabara Bay in the Ilha do Governador neighborhood on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: A dog sits along the shoreline of the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: A dog sits along the shoreline of the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: A former fishermen pilots a boat for visitors on the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: A former fishermen pilots a boat for visitors on the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: Debris floats in the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: Debris floats in the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: A man boats on an inlet of the polluted waters of Guanabara Bay in the Ilha do Governador neighborhood on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: A man boats on an inlet of the polluted waters of Guanabara Bay in the Ilha do Governador neighborhood on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34% of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
RIO DE JANEIRO, BRAZIL - JANUARY 21: A dead fish floats in the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34 percent of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)
Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics
RIO DE JANEIRO, BRAZIL - JANUARY 21: A dead fish floats in the polluted waters of Guanabara Bay on January 21, 2014 in Rio de Janeiro, Brazil. The iconic bay will be the site of sailing events during the Rio 2016 Olympic Games. Although Rio's Olympic bid included the promise to clean up the filthy bay, industrial and human pollution still remain a major problem. According to the Deputy State Secretary of Environment just 34 percent of Rio's sewage is treated while the remainder flows untreated into the waters. (Photo by Mario Tama/Getty Images)

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