What the heck. I -- of course there's a lot -- look, global warming needs to be taken very seriously, and I take it seriously. But science, there's a lot -- there's differing opinions. And before we react, I think it's best to have the full accounting, full understanding of what's taking place.
we need to fully understand whats taking place before taking 
( z1 need :ARG0 ( z2 we ) :ARG1 ( z3 understand :ARG0 z2 :ARG1 ( z4 event ) :degree ( z5 full ) :time ( z6 before :op z4 ) ) )