in Food Over 20% of all calories collectively consumed by… by Chirag Chauhan January 31, 2016, 8:26 pm 17 Views Over 20% of all calories collectively consumed by humanity are from a single food: rice. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *