Can this real estate gimmick save the world?

New York

IN April, Steve Wynn announced plans to tear up the golf course that lies behind two of his Las Vegas hotels and replace it with a 38-acre (15.4-hectare) man-made lake - about the size of 30 American football fields.

Rising from the middle of the lagoon, Mr Wynn said during a conference call last week, will be a 10-storey mountain, accessible by zip line and electric ferry, that will serve as a launching point for nightly fireworks.

Wynn R…