Can Natural Refrigerants be Good for the Environment and for Supermarkets’ Bottom Line?

This is the question I was asked in a recent interview for a new podcast on climate change solutions. My first instinct was to say "Yes, absolutely," but I hesitated. Of course, this statement has the potential be true, and in other parts of the world it is true. But if I said yes, it wouldn’t reflect the reality for US supermarkets today.