California Coast to Host US's Largest Kelp Farm

California's coast is preparing for a significant expansion of aquaculture with plans for the United States' largest kelp farm. State coastal officials recently approved a proposal to establish this massive operation approximately 6 miles (10 kilometers) off the Southern California coast.

Ocean Rainforest, a company based in the Faroe Islands, intends to cultivate giant kelp across a roughly 3-square-mile (7.8-square-kilometer) expanse of federal waters. The primary goal is to develop products aimed at enhancing soil and plant health for California's vital avocado and strawberry farms.

This initiative aligns with the Trump administration's broader push to expand commercial aquaculture in the Pacific. The U.S. seaweed industry, despite extensive coastlines, currently lags behind Asian markets, with projections indicating significant market growth.

The project has garnered support from some environmental groups, who note kelp's potential to absorb carbon dioxide and restore marine habitats. However, other environmentalists have voiced concerns.

Concerns include the potential for whales to become entangled in the farm's lines and the impact of increased boat traffic. Ocean Rainforest stated that during a two-year demonstration project, no whales became entangled in taut lines.

Despite these concerns, the California Coastal Commission voted unanimously to advance the project, imposing conditions such as a phased development approach and periodic reviews before full expansion.

Construction is anticipated to commence in 2027. The region, particularly Ventura, welcomes the project for its potential to introduce new industry and jobs.