These Purple Creatures are Eating All Our Kelp. It’s Time to Eat Them.

There are underwater forests spanning millions of acres — but they’re rapidly dying due to climate change and an unlikely predator. Kelp forests, which are often referred to as the rainforests of the sea, play an important role in fighting climate change. Kelp, which is a type of macroalgae, is estimated to sequester 634 metric tons of CO2 each year — slightly lower than the amount of emissions released from the country’s largest carbon emitter, Texas. Instead, the kelp forests are being replaced with the “ecological equivalent of a parking lot,” said Tom Ford, the executive director of The Bay Foundation, a nonprofit environmental group in the Santa Monica Bay area...