2021’s Giant Antarctic Ozone Hole Probably Due to Climate Change

Tereza Pultarova writes for space.com about a giant ozone hole opening up over Antarctica this year. Already larger than the entire ice-covered continent, the ozone hole has surpassed the size of 75% of ozone holes measured since 1979 and is still growing. Scientists believe climate change might be the cause. The Montreal Protocol, signed in 1987, is frequently described as the world’s great success story in battling human-caused destruction of the environment. The agreement banned harmful chlorofluorocarbons and other substances known to destroy the protective ozone layer, which absorbs damaging ultraviolet UV radiation coming from the sun. The concentrations…