How I’m turning seaweed into biofuel for cars on Barbados Mechanical engineer Legena Henry converts sargassum and rum-distillery waste water to produce sustainable natural gas for vehicles.

Q: I am writing to you as we have had a poor experience with Sandals Resorts. The week of June 4, my husband and I stayed at its resort in Barbados. Major construction was going on at the resort.

In 2019, Legena Henry, SM ’10, and the students in her renewable energy course at the University of the West Indies in Barbados wondered how to help their island stop using fossil fuel by 2030.