This cause has prompted diets such as environmental vegetarianism.

Similar to environmental vegetarianism is the concept of economic vegetarianism.

Environmental vegetarianism can be compared with economic vegetarianism.

Environmental vegetarianism is based on the concern that the production of meat and animal products for mass consumption, especially through factory farming, is environmentally unsustainable.

Global warming, hunger and the depletion of natural resources may also be lessened by a global shift towards a vegan diet (see environmental vegetarianism).

Carbon emissions associated with keeping hens are less than those associated with cattle, a factor significant to those practicing environmental vegetarianism.

Environmental vegetarianism is the practice of vegetarianism or veganism based on the indications that animal production, particularly by intensive agriculture, is environmentally unsustainable.

Common reasons for adopting a flexitarian diet may be health, environment (see environmental vegetarianism) or reduction of resource consumption (see economic vegetarianism), which are also arguments in favor of adopting a fully vegetarian diet.