Introduction
The Belo Monte hydroelectric power plant, located in the Amazonas state, has been in operation for ten years, and its environmental license is up for renewal. The controversy surrounding the plant's operation centers on the need to review the water flow released by the dam into the Xingu River, which currently retains up to 70% of the river's water flow, leading to water scarcity and affecting indigenous and traditional communities in the region known as the Volta Grande do Xingu.
Impacts on Fauna and Human Populations
The reduction in the Xingu River's water flow has significant impacts on aquatic fauna and human populations that depend on the river for their livelihood. Fishing, one of the main economic activities in the region, is being severely affected due to the scarcity of fish. Additionally, the alteration of the river's flow also affects navigability and water quality, making it unsuitable for human consumption and agricultural use.
The Role of Science in River Flow Alterations
Science plays a crucial role in understanding the alterations in the Xingu River's flow. Studies have shown that climate change is altering precipitation patterns in the Amazon, which in turn affects river flow. Furthermore, the construction of dams like Belo Monte also alters the natural flow of rivers, leading to significant environmental impacts.
Conclusion
The Belo Monte hydroelectric power plant is a clear example of the environmental challenges faced by the Amazon. The renewal of the environmental license should be an opportunity to review water management practices and minimize impacts on fauna and human populations. It is essential that science is considered in decision-making to ensure a sustainable future for the region.
Source / Reference
Original URL: https://brasil.mongabay.com/specials/2026/07/belo-monte-10-anos-2/