At least four large surf lagoons are proposed for the region around Palm Springs, which is more commonly known for art festivals, mountain hikes and golf, and has no natural waves in sight. The proposals, which range from private, luxury communities to a public wave park, come as surfing soars in popularity in the United States. It became an Olympic sport last year, and industry experts forecast its continued growth as travel recovers following pandemic shutdowns and amid a rise in inland surf parks, according to San Jose-California-based Global Industry Analysts Inc. Cheyne Magnusson, a pro surfer who is revamping...