Improvements have been more safely managed, polluted sites have been cleaned up and overall awareness has increased as to harmful effects to the environment.
(Improvements; more safely managed; ) (overall awareness; has increased; as to harmful effects to the environment) (polluted sites; have been cleaned up; ) Context(polluted sites have been cleaned up,List([44, 79))):(Improvements; have been; more safely managed)
polluted sites have been cleaned up,List([44, 79))
Improvements overall awareness polluted sites Improvements
more safely managed has increased have been cleaned up have been
as to harmful effects to the environment
more safely managed