RIO DE JANEIRO (AP) — At the rear of Rio de Janeiro's polluted Guanabara Bay, thousands of mangroves rise as tall as 13 feet (about 4 meters) from a previously deforested area. The 30,000 trees, ...

Guanabara Bay is fed by garbage-caked canals and tributaries. (AP/Felipe Dana) Five years ago when the International Olympic Committee snubbed Chicago's bid for the 2016 Olympics and instead named Rio ...

Biologist Mario Moscatelli, who runs a program to replant mangrove forests at a former dump site, shows rubbish that has entered a river that flows into Guanabara Bay ...

RIO DE JANEIRO -- Brazil's Tourism Ministry has removed from its Instagram feed a photomontage that pictures the Rio de Janeiro bay where Olympic sailing events will take place as a tropical paradise ...

RIO DE JANEIRO (AP) — At the rear of Rio de Janeiro’s polluted Guanabara Bay, thousands of mangroves rise as tall as 13 feet, or about 4 meters, from a previously deforested area. The 30,000 trees ...