The use and release of CFCs was banned worldwide in 2000. https://www.google.com/amp/s/amp.dw.com/en/ozone-layer-recovery-back-on-track-after-china-slows-cfc-1

The use and release of CFCs was banned worldwide in 2000. https://www.google.com/amp/s/amp.dw.com/en/ozone-layer-recovery-back-on-track-after-china-slows-cfc-11-production/a-56540342 https://www.google.com/amp/s/amp.dw.com/en/ozone-layer-recov... You think China will care? they will keep producing whatever makes money until they are caught, and not just Chinese companies, plenty in the developing world will circumvent legislation. And in the US they just don't bother with regulations to disregard. The Mississippi River carries an estimated 1.5 million metric tons of nitrogen pollution into the Gulf of Mexico each year, creating a “dead zone” in the Gulf each summer about the size of New Jersey. This happens because there are no regulations to prevent the dumping of untreated waste into the Mississippi