Red meat is beloved in America, the nation that brought the world McDonald’s. But it’s not without controversy. U.S. dietary guidelines suggest less red meat in our diets, but how much is too much? And demand for beef raises environmental concerns, too: Critics note that industrial cattle production has a larger environmental impact than other meats.

Beef consumption has actually waned a bit in the U.S. in recent years, dropping to 24.1 billion pounds in 2014 from 28.1 billion in 2004. But 24 billion pounds is still a lot of beef, and Americans love their steaks … and their burgers.

That’s particularly true on summer holidays like Independence Day, when many people consider firing up the grill just as