sustain credits is the democratisation of nature restoration to the people. earth doctors are individuals like you who take direct verifiable action to restore nature. businesses - restore your nature damage (carbon footprint, climate action, tree planting, plastic pollution, conservation and more) through our plans. sustain credits are issued to earth doctors that heal the world. anyone can become an earth doctor. by planting trees to capture carbon, clearing out environmentally destructive plastics or chemicals from nature, or anything that returns our planet to its true form. let's heal the world - together. sustain credits is the nature initiative of MAS for Good.