Ozone layer recovery may take several lifetimes. But Montreal Protocol saved the Earth

The stratospheric ozone layer absorbs a portion of the ultraviolet radiation from the sun, preventing it from reaching the surface of Earth  

Climate crisis: Oceans may emit more ozone-depleting gases

MIT researchers note that oceans would emit more CFC-11 by 2075 than they absorb, and emit detectable amounts of the chemical …