Rio de Janeiro has a greenhouse gas emission of 2.1 tonnes per capita . 1.4 million people live in the shanty towns , called favelas . A smarter city welcomes the world . The poorest are forced to work for low wages and have no access to basic services like water or electricity.
Rio de Janeiro has a greenhouse gas emission of 2.1 tonnes per capita . 1.4 million people live in the shanty towns , called favelas . The poorest are forced to work for low wages and have no access to basic services like water or electricity.