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Sustainable hydropower in the 21st century

Proceedings of the National Academy of Sciences - PNAS, 2018-11, Vol.115 (47), p.11891-11898 [Peer Reviewed Journal]

Volumes 1–89 and 106–115, copyright as a collective work only; author(s) retains copyright to individual articles ;Copyright © 2018 the Author(s). Published by PNAS. ;Copyright National Academy of Sciences Nov 20, 2018 ;Copyright © 2018 the Author(s). Published by PNAS. 2018 ;ISSN: 0027-8424 ;EISSN: 1091-6490 ;DOI: 10.1073/pnas.1809426115 ;PMID: 30397145

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Title:
Sustainable hydropower in the 21st century
Author: Moran, Emilio F. ; Lopez, Maria Claudia ; Moore, Nathan ; Müller, Norbert ; Hyndman, David W.
Subjects: Agricultural economics ; Alternative energy ; Biodiversity ; Climate change ; Dam construction ; Dams ; Deforestation ; Developed countries ; Developing countries ; Environmental impact ; Environmental protection ; Food quality ; Greenhouse effect ; Greenhouse gases ; Hydroelectric dams ; Hydroelectric power ; INAUGURAL ARTICLE ; LDCs ; Renewable energy ; River basins ; Rivers ; Social Sciences ; Sustainability ; Sustainable practices ; Terrestrial environments ; Water quality
Is Part Of: Proceedings of the National Academy of Sciences - PNAS, 2018-11, Vol.115 (47), p.11891-11898
Description: Hydropower has been the leading source of renewable energy across the world, accounting for up to 71% of this supply as of 2016. This capacity was built up in North America and Europe between 1920 and 1970 when thousands of dams were built. Big dams stopped being built in developed nations, because the best sites for dams were already developed and environmental and social concerns made the costs unacceptable. Nowadays, more dams are being removed in North America and Europe than are being built. The hydropower industry moved to building dams in the developing world and since the 1970s, began to build even larger hydropower dams along the Mekong River Basin, the Amazon River Basin, and the Congo River Basin. The same problems are being repeated: disrupting river ecology, deforestation, losing aquatic and terrestrial biodiversity, releasing substantial greenhouse gases, displacing thousands of people, and altering people’s livelihoods plus affecting the food systems, water quality, and agriculture near them. This paper studies the proliferation of large dams in developing countries and the importance of incorporating climate change into considerations of whether to build a dam along with some of the governance and compensation challenges. We also examine the overestimation of benefits and underestimation of costs along with changes that are needed to address the legitimate social and environmental concerns of people living in areas where dams are planned. Finally, we propose innovative solutions that can move hydropower toward sustainable practices together with solar, wind, and other renewable sources.
Publisher: United States: National Academy of Sciences
Language: English
Identifier: ISSN: 0027-8424
EISSN: 1091-6490
DOI: 10.1073/pnas.1809426115
PMID: 30397145
Source: GFMER Free Medical Journals
PubMed Central

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Sustainable hydropower in the 21st century

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