Toxic algae is threatening a pond on Martha's Vineyard. A new tool could change that.

A beloved pond on Martha's Vineyard is being choked by toxic algae, but a new piece of technology could help save it.

Every year tens of thousands of people flock to Martha's Vineyard for the sun, the sand and the scenery. But in order to keep this special sanctuary safe, unique solutions are needed to fight our changing climate. High above the southern part of the Massachusetts island, the Atlantic Ocean collides with the shore.

Just beyond that sits 200 acres of brackish water that makes up Chilmark Pond. It looks inviting, but a danger lurks in these waters. Over the last several years, toxic blooms of cyanobacteria have taken over.

Arnie Spevack and Sharon Siegel live on Chilmark Pond. They remember a time when the pond was a place for play, a passageway to the beach, and the wonder