The developer of the world's tallest building, which finally opened Jan. 4 in Dubai after more than a year's delay, has announced the height at 828 meters. The announcement ends years of speculation, fueled by developer Emaar Properties. Members of the design and construction team, including architect-engineer Skidmore, Owings & Merrill and lead contractor Samsung Corp., were contractually obligated to keep the height a secret. Emaar Properties Burj Dubai opens under its new name, Burj Khalifa The 828-m height makes the building a whopping 320 m taller than the previous world's tallest building, the 508-m Taipei 101. The difference is
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.