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A massive amount of humanity lives on or near the coast. In the US, 40% of the population is coastal. The cost of walling off the entire coast would be astrono
by peterashford 6y ago
A massive amount of humanity lives on or near the coast. In the US, 40% of the population is coastal. The cost of walling off the entire coast would be astronomical.
- dodobirdlord 6y agoI think you didn’t read the comment you responded to.