Welcome to DU!
The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards.
Join the community:
Create a free account
Support DU (and get rid of ads!):
Become a Star Member
Latest Breaking News
General Discussion
The DU Lounge
All Forums
Issue Forums
Culture Forums
Alliance Forums
Region Forums
Support Forums
Help & Search
Ozone layer recovery could be delayed by 30 years
Source: BBC
Ozone layer recovery could be delayed by 30 years
12 October 2017 Science & Environment
Rising global emissions of some chlorine-containing chemicals could slow the progress made in healing the ozone layer.
A study found the substances, widely used for paint stripping and in the manufacture of PVC, are increasing much faster than previously thought.
Mainly produced in China, these compounds are not currently regulated.
Experts say their continued use could set back the closing of the ozone hole by up to 30 years.
Scientists reported last year that they had detected the first clear evidence that the thinning of the protective ozone layer was diminishing.
-snip-
Read more: http://www.bbc.com/news/science-environment-41585552