The ozone layer that shields life from cancer-causing solar rays is recovering at a rate of one to three per cent per decade, reversing years of dangerous depletion caused by the release of harmful chemicals, a UN study said on Monday.
Tag: ozone
New measurement confirms: The ozone is coming back
Enlarge / Each year’s ozone hole is a little bit different. (credit: NASA) The Montreal Protocol, which went into effect in 1989, is a rare instance of a global agreement to solve a global problem: the release of vast quantities of ozone-destroying chemicals into the atmosphere. In the decades since, however, changes in ozone have […]
