Cows have been potty-trained to reduce greenhouse gas emissions
https://www.newscientist.com/article/2289981-cows-have-been-potty-trained-to-reduce-greenhouse-gas-emissions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Cows have been potty-trained to reduce greenhouse gas emissions