BBC: Deforestation in the Amazon region could significantly reduce the amount of electricity produced from hydropower, says a new study.
Scientists say the rainforest is critical in generating the streams and rivers that ultimately turn turbines.
If trees continue to be felled, the energy produced by one of the world's biggest dams could be cut by a third.
The study is published in the Proceedings of the National Academy of Sciences.
Many countries in tropical regions are turning to hydropower...