If you read the post by Our World in Data, Meat and Seafood Production & Consumption, you will be able to impress your friends. The post consists of 34 graphs. You can download the images and the data for each. The graph here is Greenhouse gas emissions per gram of protein by food type. Beef is far more CO2 intensive than any other protein source. The second chart here shows Meat consumption vs. GDP per capita (2013) and the U.S. is one of the top two consumers of meat.
