As the world's population continues to grow, non-meat protein sources are becoming increasingly relevant.  There's currently a disproportionate amount of agricultural land being used for animal farming, which not only results in high levels of pollution, CO2 emissions and water usage, but still falls far short of meeting global protein needs.  Fortunately there are new alternatives that can help humans from the looming consequences of  sourcing protein from animals.  Here are three we want to focus on:  

• insect proteins (insects as a source of protein)
  • Article: "To feed two billion more people, the world needs a bug diet"