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Improving policies and instruments to address cumulative impacts of small hydropower in the Amazon
Ist Teil von
Energy policy, 2019-09, Vol.132, p.265-271
Ort / Verlag
Kidlington: Elsevier Ltd
Erscheinungsjahr
2019
Quelle
PAIS Index
Beschreibungen/Notizen
Small hydropower plants (SHPs) are rapidly sprawling, both globally and across the Amazon's free flowing rivers, threatening provision of ecosystem services, river connectivity, biodiversity conservation, and the livelihoods of indigenous and traditional communities. In Brazil, cumulative impacts of SHPs have been largely neglected in planning and policy instruments. In this perspective article, we highlight current policy challenges and options for assessing the impacts of small hydroelectric plants in the Amazon, which deserve more attention in both academic research and public policies. We review environmental licensing of seven small and one large dam in the Cupari river, a Tapajós tributary, which is being challenged in Federal Courts based on inadequate cumulative impact assessment. We argue for the need of adopting good practices in cross-scale environmental assessment when applying existing or new policy instruments, including: the adoption of Strategic Environmental Assessment in planning for hydropower expansion taking into consideration other plans, programs and policies at regional and Amazon-wide scales; developing integrated environmental assessments considering inventoried SHPs and large hydropower plants; using scientific evidence and technological tools in planning and siting of SHPs; complying with policies that protect human and environmental rights; and strengthening intersectoral dialogue and multi-stakeholder forums and committees.
•Small hydropower plants are disorderly sprawling across Brazilian Amazon Rivers.•Cumulative impacts of cascades of small dams have been neglected in regional and basin-wide planning.•Environmental impacts of cascades of small dams may surpass those of large dams per MW of energy produced.•Brazilian energy policy should consider good practices in cumulative impact assessment.•Strategic environmental assessment may improve planning and management of Amazonian watersheds.