The cold-water kelp, they found, can support upward of 50 grams of red algae each. The warm-water kelp, in contrast, had almost none. This difference translated up the food chain.

A one-acre water lease can grow 32,000 to 72,000 pounds of kelp in a five-month season, potentially netting farmers tens of thousands of dollars a year in new revenue, Doall said.

Kelp is one of nature's fastest-growing plants and it is considered perfect for making bioethanol, but it naturally grows in water bathed in sunlight, up to about 60 feet.

Berry links the death of south Puget Sound kelp to warmer water temperatures. Kelp needs cold waters to thrive. In warmer water conditions, bull kelp loses it blades and becomes “bald headed ...

The water-filtering abilities of farmed kelp could help reduce marine pollution in coastal areas, according to a new study. The paper analyzed carbon and nitrogen levels at two mixed-species kelp ...

In 2014 a major marine heat wave bathed the California coast in warm water. Kelp forests require cold, nutrient-rich water to thrive, so this heat wave slowed them down.

ISLA VISTA, Calif.-Santa Barbara County Fire's Water Rescue Team helped a kite surfer caught in kelp off the coast of Isla Vista after 8 on Tuesday night.

Kelp, she learned, ... Swap your water: Fluoride is added to most U.S. drinking water, but research shows it stops the absorption of iodine — a mineral crucial for thyroid function.

I’m a big water person and I’ve always been an environmentalist, so when I learned about the process of cultivating kelp, it didn’t take long for me to say ‘OK, I want to do this,’” says McGee, who ...

After a mass algal die-off in the Pacific, researchers used satellites, undergrads, artificial intelligence and children in tide pools to figure out what was lost—and how it might come back.