A Brazilian court has said that construction of one the world's largest hydroelectric dams can proceed without additional consultation with indigenous communities in the region, despite a mass movement opposed to the project. Federal prosecutors had filed a motion calling for suspension of construction of the Belo Monte dam in the northern state of Para until indigenous groups were consulted and given access to environmental impact reports...Officials said they spent years planning to protect the environment and local residents before the dam was approved. However, environmentalists and indigenous groups said it would devastate wildlife and the livelihoods of 40,000 people who live in the area to be flooded...Environmental group Amazon Watch has said that 80 per cent of the river is planned to be diverted for the dam, which would cause massive droughts and flooded forests. In order to keep the dam in operation during the dry season, upstream and tributary dams would be needed to store water, causing further displacement and environmental havoc, the group said.