<iframe width="580" height="385" src="https://www.youtube.com/embed/5z9SF0N06QY" frameborder="0" allowfullscreen></iframe> <br>Ethan Schoolman discusses his research on the impact of local food and the possible options for scaling itup in order to meet the ... <br><a href="https://www.youtube.com/watch?v=5z9SF0N06QY">source</a>