One more, from Michael Pollan, on Food Farming and Genetics, also an hour long:
While these are all really good, this will be the last one, for now, of videos like this. It is SO IMPORTANT to teach our children the value of organics. God gave us charge over the earth and to care for it. Our bodies are temples for the Spirit of God, and we need to take care of them too. We need to teach our children these things and not take them for granted.