CFC's were nasty chemicals, but they weren't generally crucial to modern life.... Go nuclear or give up.
It's a common myth that Nuclear doesn't contribute to greenhouse gasses however, in reality, CFC114 is the primary chemical input to enriching Nuclear fuel prior to its use in Nuclear Reactors. Several years ago I was curious about this and I used data available from the US EPA web site on licenced CFC emitters and discovered that the largest emitter there was from the Paducah Gaseous Diffusion Plant.
At roughly 1,500,000Kg per year it was over 5 times more than the second on the list.
The reason this is important is not because CFC's are a more potent (20,000*C) greenhouse gas, it's because CFC's affect Phytoplankton which are the creatures that produce oxygen and absorb carbon dioxide. Coupled with the secondary effect of ocean acidification from carbon absorbed from the atmosphere it interferes with the calcium content of these creatures shells forcing them deeper where photo synthesis is less effective. The same creatures are also affected by ozone depletion (which also forces them deeper) as it that careful balance of the suns radiation that allows them to produce oxygen in the first 1-10 metres of the oceans surface.
They produce more oxygen than all of the tress on earth so understanding and making sure they are ok is one of those less understood tipping points that humans are messing with.