After years of depletion, the ozone layer surrounding the earth is showing "its first sign of recovery," according to a United Nations study. Experts said it was largely due to global action, including a 1987 ban on man-made gases, the Orlando Sentinel reports.
While the study also showed that the ozone hole over the Antarctica has also stopped growing, it is expected to be "about a decade" before it starts to shrink.
The 1987 Montreal Protocol banned or phased out chemicals that deplete the ozone layer, including chlorofluorocarbons (CFCs); these were once widely used in spray cans and refrigerators.
To read the Orlando Sentinel article in its entirety, click here.
No comments:
Post a Comment