California permanently seals massive natural gas leak, 4 months after it started

February 18, 2016     /

from Icetulip http://on.mash.to/1RRwKHR via IFTTThttp://on.mash.to/1RRwKHR http://ift.tt/1iul9A1 California permanently seals massive natural gas leak, 4 months after it started