I've ranted over its popularity in the American diet. I've warned that we're getting way more protein than we need (although so far there's no evidence that this is necessarily harmful). Yet still for most humans on the planet today, lack of protein remains a major source of malnutrition.
Water, water, everywhere, but not a drop to drink. This pretty accurately describes our relationship with atmospheric nitrogen. There's lots of it, but it's not in a form that is available for plants to use. Nitrogen as fertilizer comes from one of three places: 1) recycled nitrogen, 2) fixed nitrogen, and 3) synthesized nitrogen.Read More