Agence France-Presse: The oil-rich United Arab Emirates was set to start work on Sunday on construction of the world’s first zero carbon emissions city, a spokesman for the project said. "Construction on Masdar City begins today," the spokesman told AFP, adding that the 6.5-square-kilometre (2.5-square-mile) development will cost 22 billion dollars and is set for completion in 2015. Masdar City will house 50,000 people and will be run entirely on renewable energy including solar power, …