For the longest time, officials in Rio did not know why. Wednesday, after the water polo pool also turned green, Rio officials claimed they had figured out the issue and that the water would be back ...

RIO DE JANEIRO -- More pool water is turning green at the Olympics. The Olympic diving pool in Rio turned green Tuesday turning greener throughout the day. At first, Rio officials said they were not ...

Add Yahoo as a preferred source to see more of our stories on Google. Two Olympic pools have turned murky green with algae because Rio organizers ran out of the correct chemicals to treat the water, ...

CHICOPEE, Mass. (WWLP) – You may have noticed while watching the Olympics that the water polo and diving pools in Rio have turned green this week. Olympic officials say it’s because the alkaline level ...