the milk that best for you is actually best for the planet

For people who don't have access to a wide and varied diet,dairy milk can be the most efficient way to get these nutrients.But all else being equal, any one of these four milks is nutritious enough to be part of a balanced diet.That why for many people, the milk that best for you is actually the milk that best for the planet.So which uses the fewest resources and produces the least pollution?