Nitrogen: The element behind all your food

With all of the attention paid to global climate change and the disruption of the carbon cycle, biologist and FSE affiliated faculty Peter Vitousek discusses the serious impacts humankind has had on the nitrogen cycle and how that relates to our food system. He expands on the modern food production system as the primary driver of land use change, and explains just what he means when he says he wants to make the world a less homogeneous place with some interesting cultural implications.