Home insulation in China blamed for rise in emissions of ozone-depleting gas
bbc.co.uk
bbc.co.uk
I think if instead of just certifying products for safety etc, the entire process by which they were made was also subject to certification, grading etc, that could be an answer. ie products attract a higher tariff if the producer has poor labor, environmental, safety, community practices, along with grading the quality, durability, repairability of the products themselves.
Ancient texts don't talk of terrible sunburn, everyone having skin cancer, or anything like that.
My guess is the main cause is ozone depletion: https://www.nasa.gov/images/content/433982main_percent-chang...
UV-b has increased substantially since 1979, and considering CFC gasses were first used in the 1930's, it's likley that UV-b has very significantly increased since then.
No wonder people wear long sleeves and hats.
But there must only be a handful of factories making the stuff. That should obviously be the target.