Proteins

🐃

BuffaloUnited Nations, 2013 for 🌎

53.4 kgper kg

🐑

LambEnvironmental Working Group, 2011 for 🇺🇸

39.2 kgper kg

🐄

BeefEnvironmental Working Group, 2011 for 🇺🇸

27.0 kgper kg

🐖

PorkEnvironmental Working Group, 2011 for 🇺🇸

12.1 kgper kg

🐟

SalmonEnvironmental Working Group, 2011 for 🇺🇸

11.9 kgper kg

🦃

TurkeyEnvironmental Working Group, 2011 for 🇺🇸

10.9 kgper kg

🍤

CrustaceansPoore et al., 2018 for 🌎

10.0 kgper kg

🐟

Tuna (canned)Environmental Working Group, 2011 for 🇺🇸

6.1 kgper kg

🐟

FishPoore et al., 2018 for 🌎

3.5 kgper kg

🐔

ChickenFAO, 2017 for 🇨🇦

2.4 kgper kg

🥡

TofuEnvironmental Working Group, 2011 for 🇺🇸

700 gper kg