The Cut and The NY Times have some good pieces on how the fridge networks came to be, why they're more important than ever in the wake of COVID-19, and how you can get involved to help out.
The Secondhand Refrigerators Feeding New Yorkers : Community fridges across the city are fighting food insecurity, reducing waste, and uniting neighbors.
NY TIMES: See That Fridge on the Sidewalk? It’s Full of Free Food : For many New Yorkers, healthy meals are hard to come by these days. Now activists are stocking refrigerators for those in need.