John Sabraw is an artist, environmentalist and professor of art at Ohio University who collaborates with scientists to create paint from iron oxide extracted from streams polluted by abandoned coal mines.   John's work has been featured in a host of globally known publications like The New Scientist, The Huffington Post and Hyper Allergic and exists in collections around the world, including the Museum of Contemporary Art. We spoke to him about a range of topics, including what led him to environmental art and what tips he has for artists looking to create an eco-friendly art practice. We hope you enjoy!   And if you’re interested in learning more about Green Canvas, you can find us on our website. and you can learn more about John Sabraw on his website.