Earth's ozone layer, an early symbol of global environmental degradation, is improving and on track to recover by the middle of the 21st century. Over the past 30 years, humans have successfully ...

Earth’s protective ozone layer is beginning to recover, largely because of the phaseout since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel ...

The Earth’s protective ozone layer is healing at a rate that climatologists believe will see the stratospheric hole over Antarctica fully closed in the next five decades – but challenges remain.