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Dams Have the Power to Slow Climate Change
Article

Dams Have the Power to Slow Climate Change

Mitigate global warming and produce clean, cheap hydropower at the same time, urges Mike Muller.

Mike Muller
Nature, 2019
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Editorial Rating

9

Qualities

  • Controversial
  • Scientific
  • Eye Opening

Recommendation

Hydropower dams have grown out of favor in recent years as greenhouse gas contributions joined the list of their perceived adverse environmental and social impacts. Hydropower advocate Mike Muller encourages scientists and policy makers to consider the entire system instead of just reservoir impacts and more fairly weigh the pros and cons. This article will benefit anyone involved in decisions related to advancing hydropower as an energy source. It’s also a valuable reminder of the importance of looking at all dimensions of an issue before drawing categorical conclusions about what’s best.

Take-Aways

  • People should look at hydropower dams as whole systems and consider both pros and cons when assessing their impact.
  • Hydropower dams reduce flood risk, produce cheap electricity and mitigate climate change.
  • The climate change downsides of dams are overrated.

About the Author

Mike Muller is a hydropower and water management expert and visiting adjunct professor at the University of Witwatersrand School of Governance in Johannesburg, South Africa.

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