There being a need for something and it happening are two fundamental different thinks. Just because it doesn't happen doesn't mean there is not need for it.

There being a need for something and it happening are two fundamental different thinks. Just because it doesn't happen doesn't mean there is not need for it. The Bering Strait Dam btw. would have required a higher degree of collaboration then is needed to limit climate change. Sure a few less countries would be involved be the involved countries still would need a much deeper level of collaboration which given that it's effect would have been rather negative for many of the cost countries it would have been rather hard to archive any agreement.