We have too many cows, but the answer isn't going vegan. Five hundred years ago the ecosystem supported 30-60 million bison in the U.S. Today we have over 90 mi

We have too many cows, but the answer isn't going vegan. Five hundred years ago the ecosystem supported 30-60 million bison in the U.S. Today we have over 90 million cows. Eating less meat and grazing less cows would restore balance to the ecosystem.