When Jennifer Byrne, owner and technician at Comfy Heating and Cooling, gets a call to come and fix a relatively new air conditioning system, one of the first questions she asks is if the house has just been remodeled. So an essential way that people are staying cool is making the world hotter and more unstable.
Refrigerants are chemical fluids that have made air conditioning and refrigeration possible, but they are hundreds or even thousands of times more powerful at warming the planet than carbon dioxide, the most notorious greenhouse gas