Floating cities look less like a pipe dream now

Climate change has prompted tech entrepreneurs to devise innovative solutions

You might call it a Noah’s Ark for an era of melting polar ice sheets. An audacious plan to respond to climate change by building a city of floating islands in the South Pacific is moving forward, with the government of French Polynesia agreeing to consider hosting the islands in a tropical lagoon.

The project is being put forward by a California nonprofit, the Seasteading Institute, which has raised about $2.5 million from more than 1,000 interested donors. Randolph Hencken, the group’s executive director, said work on the project could start in French Polynesia as early as next year, pending the