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WASTE NOT: Earthly co-founders Frank Mastrobuono, left, and Mike Kowalczyk, center, pick up food waste at Empire Tea & Coffee in Newport. Earthly produces worm castings, a natural fertilizer. Mastrobuono shows the finished potting mix, as Kowalczyk and Empire manager Josh Unorski talk.   / PBN PHOTO/MICHAEL SALERNO

Earthly makes sure discarded food isn’t wasted

Food & Agriculture 09/28/2018

Innovative Companies | Energy & the Environment Worm manure, known as castings, helps cannabis grow, the minds behind North Kingstown-based Earthly Solutions Inc. have discovered. Frank...

COMPOSTING CHAMPIONS: Frank Mastrobuono, left, and Mike Kowalczyk are the co-founders of Earthly, a Providence-based food-waste-management and composting company that recently took first place in the New England Cannabis Convention’s Pitch Slam. / PBN PHOTO/MICHAEL SALERNO

An Earthly plan for food waste

Entrepreneurship 06/09/2017

Frank Mastrobuono, a former environmental scientist, always considered himself the “outdoorsy type.” He used his “drive to go back to business school” to start a...

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