He is heartened by those who want to maintain that important balance between nature and man.
(He; is heartened; by those) (those; want; to maintain that important balance between nature and man) Context(those want,List([19, 33))):(those; want to maintain; that important balance between nature and man)
those want,List([19, 33))
He those those
is heartened want want to maintain
by those
to maintain that important balance between nature and man
that important balance between nature and man