In this episode of On Art, we celebrates Earth Day 2016 with four stories of artists who make art about our planet, our cosmos, the environment, and some issues we face. From Rohini Devasher's astronomy to Vibha Galhotra's paintings made with water from the Yamuna River, follow along as we bring you eco-art worth seeing today and all year. Also on the show, we take a cycle ride into artist Gouri Vemula's world, as well as try out the e-rickshaw first hand