At least 150 billion animals are killed by humans every year for food, clothing and ancillary purposes Read more here...
Videos of factory farming portray violence too graphic to be displayed without content warnings by portals such as Youtube and Facebook.
Animal testing accounts for the deaths of over 100 million animals in the US alone (USDA).
Animal suffering is also caused in the name of human entertainment.
Animal agriculture is estimated to account for 51% of greenhouse gas emissions (World Watch Magazine, Volume 22, No. 6).
Emissions from animal agriculture are expected to increase 80% by 2050 (Nature. Vol. 515)