( ( ( The problem ) ( of ( global warming ) ) ) ( ( ( ( is ( ( no ( less solvable ) ) ( than ( ( ( ( ( ( water pollution ) , ) ( ozone depletion ) ) , ) and ) ( acid rain ) ) ) ) ) , ) ( ( all ( of which ) ) ( we ( have ( addressed ( with ( success ( in ( the past ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN problem)) (PP (IN of) (NP (JJ global) (NN warming)))) (VP (VBZ is) (ADJP (ADJP (DT no) (RBR less) (JJ solvable)) (PP (IN than) (NP (NP (NN water) (NN pollution)) (, ,) (NP (NN ozone) (NN depletion)) (, ,) (CC and) (NP (JJ acid) (NN rain))))) (, ,) (SBAR (WHNP (DT all) (WHPP (IN of) (WHNP (WDT which)))) (S (NP (PRP we)) (VP (VBP have) (VP (VBN addressed) (PP (IN with) (NP (NP (NN success)) (PP (IN in) (NP (DT the) (NN past)))))))))) (. .)))
The problem of global warming is no less solvable than water pollution, ozone depletion, and acid rain, all of which we have addressed with success in the past.
(ROOT (S (NP (NNP Air) (NN pollution)) (VP (VBZ causes) (NP (NP (JJ acid) (NN rain)) (, ,) (NP (NN ozone) (NN depletion)) (, ,) (CC and) (NP (JJ global) (NN warming)))) (. .)))