Known as the first city in the world to be awarded the UNESCO World Heritage Status in the urban cultural landscape category, Rio de Janeiro officially enters UN's list of world heritage sites after four years.
Climate change is taking center stage during the Olympics this year, but global warming is making fewer cities suitable to host, leading to an uncertain future for the Olympics.
From azure to murky green, the diving pool at the Maria Lenk Aquatics Centre used in Rio Olympics has mysteriously turned green overnight.
The opening ceremony at the 2016 Rio Olympics sparked the discussion on sea level rise and climate change.
Athletes are facing a dilemma especially those involved in water sports due to the foul condition of Rio's water venues due to pollution.
The black mutt named Netinho Coragem, meaning "little brave one," suffered a severely damaged femur.