One topic Michael couldn't fit into his conversations around money was the carbon footprint of money itself. So in this bonus episode, he sits down with Ravi Shankar Chaturvedi, Co-founder and Director of Research at Digital Planet to chat about the carbon footprint of cash. They discuss the life-cycle of cash, including the production, usage and end-of-life stages and how cash compares to other transactions such as cryptocurrency. They touch on the need to study the environmental impact of other types of digital payment and what you can do to make a difference. In Over My Head WebsiteHow Green is the Greenback?