Eric Walker added Eating Our Way to Extinction | Official Documentary - YouTube to a number of topics

Eric Walker added Inside the Koch Brothers’ Toxic Empire – Rolling Stone to a number of topics

Eric Walker added Monsanto, Cargill and ArgoSource to Specific organizations and businesses involved in agriculture, and added Specific organizations and businesses involved in agriculture to Specific organizations and businesses and Agriculture and farming

Eric Walker added Eating Our Way to Extinction | Official Documentary - YouTube and Inside the Koch Brothers’ Toxic Empire – Rolling Stone to Cargill, and added Cargill to Specific organizations and businesses involved in agriculture