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That‘s still harmless compared to the Atlantropa project... https://en.m.wikipedia.org/wiki/Atlantropa https://en.m.wikipedia.org/wiki/Atlantropa

• dmos62 6y ago
  Exciting scale. Some people might come back to the idea now that sea levels are about to start rising dangerously.
  • Someone 6y ago
    https://en.wikipedia.org/wiki/Northern_European_Enclosure_Dam https://en.wikipedia.org/wiki/Northern_European_Enclosure_Da...: “The Northern European Enclosure Dam (NEED) is a proposed solution to the problem of rising ocean levels in Northern Europe. It would be a megaproject, involving the construction of two massive dams in the English Channel and the North Sea; the former between France and England, and the latter between Scotland and Norway.” The authors know that plan is ‘a bit’ ambitious, though. That page continues: “The concept was conceived by the oceanographers Sjoerd Groeskamp and Joakim Kjellsson. As of 2020, the scheme is largely a thought experiment intended to demonstrate the extreme cost of engineered solutions to the effects of climate change.”
• dvh 6y ago
  More recent variation, building giant reservoir in Czechia: https://ceskaprehrada.cz/en.html https://ceskaprehrada.cz/en.html