https://ourworldindata.org/land-use-diets
"The land use of livestock is so large because it takes around 100 times as much land to produce a kilocalorie of beef or lamb versus plant-based alternatives. The same is also true for protein – it takes almost 100 times as much land to produce a gram of protein from beef or lamb, versus peas or tofu."
"Beef has an energy efficiency of about 2%. This means that for every 100 kilocalories you feed a cow, you only get 2 kilocalories of beef back."
> Getting the optimal mix of essential amino acids is crucial for health
Animals have nothing that we couldn't obtain from plants.
It is the position of the American Dietetic Association that appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes.
- American Dietetic Association
A vegetarian or vegan diet can be suitable for everyone, regardless of their age.
- NHS UK
It is possible to follow a well-planned, plant-based, vegan friendly diet that supports healthy living in people of all ages, and during pregnancy and breastfeeding.
- British Dietetic Association
For adults, protein from two or more plant groups daily is like to be adequate.
- World Health Organisation