And one grand idea to make sure we have enough terra firma in a literally changing landscape is making plenty of human-made islands.

The concept isn’t new – Dubai famously created its ornately symmetrical Palm Islands way back in 2001, and there’s evidence that Brits were building them over 5,000 years ago.

But now the idea of ginning up artificial ground in the middle of the water is gaining more traction, as startups, universities, and even luxury housing companies worldwide look for solutions to help humans keep their habitable space intact.

Check out the video above to learn about a few of these grand ideas.

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