Supermarkets are tackling emissions from their freezer aisles
Snaking through every American supermarket are miles of refrigerator piping, keeping unsold food cold in the fridges of the dairy, meat and frozen food aisles. Those pipes contain some of the most potent global warming chemicals produced by any industry on earth. The hydrofluorocarbons (HFCs) within them are typically between 1,400 and 4,000 times more…

