Eating a vegetarian diet can contribute more to saving ourselves and the planet than any other single effort.

To meet the huge consumer demand for fish, the industry can no longer rely on hunting wild fish. Now we are doing to fish what was done to wild cows, sheep, goats, chickens, and ducks thousands of years ago: we are confining them in holding pens.

Actually, fish are very sensitive creatures with highly developed nervous systems. They feel pain acutely. If they weren't able to feel pain, they, like us, could not have survived as a species. Their nervous systems, like ours, secrete opiate-like, pain-dampening biochemicals in response to pain.

If we weren't so dirt-conscious, we would obtain adequate vitamin B12 from soil, air, water, and bacteria, but we meticulously wash and peel our vegetables now - and with good reason, as we can't be sure our soil is not contaminated with pesticides and herbicides.

We are the only animals who steal and drink the milk from other species.

To find out how much protein you need, take your weight and divide it by three. Rest assured, a whole foods, varied plant-based diet will give you all the protein you need.

Yoga teaches us that we can have whatever we may want in life if we are willing to provide it for others first.