1. Ethics
- Well-being/interests of sentient animals
- Feeling of compassion for animals
- Current practices, most importantly factory farming
2. Sustainability & Food insecurity
- Climate change & air pollution
- Water depletion and pollution
- Land degradation
- Other impacts on biodiversity
- - Destruction of rainforests
- Overfishing
3. Health
- Personal health, prevention of:
- - Weight gain/obesity
- Diabetes
- Cardiovascular diseases
- Cancer
- Alzheimer's
- - Antibiotic use in animal agriculture
- Diseases caused by proximity to livestock