Health. It’s not always necessary to prove that vegetarianism or veganism are healthier, but that they are at least as healthy. There are many studies about this- most big health organizations, such as “Academy of Nutrition and Dietetics”, agree that a well-balanced vegan or vegetarian diet is healthy and sufficient at any age.
-Environment. In a 2009 study released by the WorldWatch Institute that took into account a number of factors some other reports do not, such as fish farms, and placed the percentage of greenhouse gas emissions resulting from animal agriculture at 51%. Methane is also much more dangerous for the environment than carbon dioxide.
• Biodiversity-It is the major driver of deforestation, as well as one of the leading drivers of land degradation, pollution, climate change, overfishing, sedimentation of coastal areas and facilitation of invasions by alien species.