Ten U.S. health and environmental groups on Thursday accused the Environmental Protection Agency of "foot dragging" and threatened to sue the agency to begin enforcing a 1997 law designed to curb
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/green-groups-push-us-act-ozone-problem
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer