Moving forward the climate change is just one of many risks that humanity needs to find a solution for, and many public health crises also have their foundation in what we eat, as indeed climate change, and therefore these issues overlap. Many of the worst and most deadly and widespread health conditions are cause by bad nutrition, diet or lifestyle and many studies are finding most illnesses have a foundation of a bad diet. Vegetarians and especially vegans have a healthier diet, consuming less calories, less fat, and on average weighing less; lowering their risk of cancer, diabetes, heart disease and many other chronic conditions. However simply banning meat would not work, maybe just stricter regulations for animals living standards, only organic livestock farming, causing higher prices for meat. But a cultural change is also needed, education and awareness campaigns so people can go back to only having meat occasionally as a treat, this would more closely mimic how people would have lived generations ago and even in the natural world as hunter gatherers. In this way veganism is just part of the puzzle, just a step in the right direction, or maybe two steps....