• Triathlon athlete Kevin Mcdowell, left, of the U.S., and local swimmers enter the water for a swimming clinic along Copacabana beach in Rio de Janeiro, Brazil, Monday, Aug. 3, 2015. Triathletes swam in waters off Copacabana Beach despite published warnings that water in the area was "unfit" for swimming. On Thursday, The Associated Press released the results of a five-month investigation that showed that Olympic venues are rife with disease-causing viruses and bacteria. (AP Photo/Leo Correa)

    Brazilian universities to help with dirty water cleanup

    RIO DE JANEIRO (AP) — Rio de Janeiro Governor Luiz Fernando Pezao signed a deal Monday with several Brazilian universities and research institutes to develop a plan for cleaning up the polluted waters of the city’s sewage-strewn Guanabara Bay, where Olympic sailing events will be held.

    Updated: 3:49 pm

  • People watch a lost whale in Puerto Madero, Buenos Aires, Argentina, Monday, Aug. 3, 2015. Authorities have not identified what kind of whale it is, and it was unclear how they would get it back to the ocean. News of it quickly spread on social media and the news, prompting hundreds to line up along the port area to catch a glimpse. (AP Photo/Natacha Pisarenko)

    Whale appears alongside yachts in luxury Argentine area

    BUENOS AIRES, Argentina (AP) — A whale appeared in the marina of one of Buenos Aires’ most exclusive neighborhoods Monday, periodically surfacing alongside luxury yachts while hundreds of onlookers tried to capture the moment with smartphones.

    Updated: 4:51 pm

  • In this photo released by Inovafoto, Ronda Rousey, right, fights Brazil's Bethe Correia during their mixed martial arts bantamweight title fight at UFC 190, early Sunday, Aug. 2, 2015, in Rio de Janeiro, Brazil. Rousey knocked out Correia 34 seconds into the first round to win. (Alexandre Loureiro/Inovafoto via AP)

    Rousey attends soccer game at Maracana after UFC win in Rio

    RIO DE JANEIRO (AP) — Ronda Rousey spent the day after her impressive victory over Bethe Correia at UFC 190 by going to a soccer game at Maracana Stadium.

  • Sunday, August 2, 2015

    Who wins and loses under Obama’s stricter greenhouse gas emission limits for power plants

  • Alois Jnabl of Austria exits the water during the men's triathlon ITU World Olympic Qualification Event in Rio de Janeiro, Brazil, Sunday, Aug. 2, 2015. The World Olympic Qualification is a test event for the Rio 2016 Olympics. (AP Photo/Felipe Dana)

    IOC to order tests for viruses at Rio’s Olympic water venues

    RIO DE JANEIRO (AP) — The International Olympic Committee said Sunday it will order testing for disease-causing viruses in the sewage-polluted waters where athletes will compete in next year’s Rio de Janeiro Games.

  • In this June 26, 2015 photo, Mexican photojournalist Ruben Espinosa speaks during an interview in Mexico City. Espinosa had recently gone into self-exile from the Gulf coast state of Veracruz, where he felt under threat, according to Proceso magazine. His family had lost contact with him on Friday and by Saturday the free speech advocacy group Article 19 had called on Mexican authorities to activate the protocols for locating a missing journalist. Espinosa was  found slain, along with four other people early Saturday in an apartment in Mexico City, according to the magazine. (AP Photo/Luis Barron)

    Journalist slain in Mexico City had signs of torture

    MEXICO CITY (AP) — Mexico City officials said Sunday they are pursuing all lines of investigation into the killing of a photojournalist whose body was found along with four slain women in the capital, where he had fled because of harassment in the state he covered.

  • In this photo released by Inovafoto, Ronda Rousey, right, fights Brazil's Bethe Correia during their mixed martial arts bantamweight title fight at UFC 190, early Sunday, Aug. 2, 2015, in Rio de Janeiro, Brazil. Rousey knocked out Correia 34 seconds into the first round to win. (Alexandre Loureiro/Inovafoto via AP)

    Rousey crushes Correia to defend her title at UFC 190

    RIO DE JANEIRO (AP) — It’s not a good idea to give Ronda Rousey some extra motivation.

  • This July 15, 2015, file photo shows mixed martial arts fighter Ronda Rousey working out at Glendale Fighting Club in Glendale, Calif. Rousey's star power grows with each month, and the UFC's dominant bantamweight champion could have held her next title defense anywhere. She chose to travel to Bethe Correia's native Brazil for UFC 190 on Saturday, Aug. 1,  just so she can embarrass the challenger in front of her home fans. (AP Photo/Jae C. Hong,File)

    Rousey roams to Brazil with plan to beat Correia at UFC 190

    GLENDALE, Calif. (AP) — Ronda Rousey is in charge now. The unbeaten bantamweight champion is the biggest star in the UFC, and she could have staged her next title defense anywhere in the world before she moves on to her next acting job or book tour stop or red-carpet appearance.

  • Rousey says she’ll do Roddy Piper ‘proud’ in Rio fight

    RIO DE JANEIRO (AP) — Ronda Rousey says she will be fighting for the late Roddy Piper, the Hall of Fame wrestler who gave her his “Rowdy” nickname.

  • A doll's head floats in the polluted waters of a canal at the Mare slum complex in Rio de Janeiro, Brazil, Friday, July 31, 2015. In Rio, much of the waste runs through open-air ditches to fetid streams and rivers that feed the Olympic water sites and blight the city's picture postcard beaches. (AP Photo/Leo Correa)

    Sailing governing body will start testing for viruses in Rio

    RIO DE JANEIRO (AP) — The World Health Organization has asked the IOC to analyze virus levels in Rio de Janeiro’s Olympic waters, and the governing body of world sailing says it will start doing its own independent virus tests.