Seaflooding: How we could engineer the next Mediterranean

Photo: Dead fish and salt encrusted piers at Bombay Beach, Salton Sea. Photo credit: Chris Hunkeler via Flickr. CC BY-SA 2.0. Article by Tomas Pueyo. Big Think – October 17, 2025.

Key Takeaways:

• We already have the engineering tools to intentionally flood inland depressions, recreating sea basins like the Mediterranean everywhere from Egypt to California.
• Such projects can deliver multiple benefits at once, including new ecosystems, hydroelectric power, desalinated water, increased tourism, and climate moderation. 
• The barriers today are political will, cost, and geopolitics, not technical impossibility. The challenge is choosing where, when, and how to act responsibly.

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Video: The MEGAFLOOD that brutally filled the Mediterranean in months – Tomas Pueyo