The Veu de Noiva waterfall in Chapada dos Guimaraes national park, Mato Grosso state, western Brazil, in 2011
The Veu de Noiva waterfall in Chapada dos Guimaraes national park, Mato Grosso state, western Brazil, in 2011. A top scientific academy on Thursday called on June's Rio Summit to tackle population growth and voracious consumption that are placing Earth's resources under intolerable strain.