( Scientific ( ( ( ( consensus ( on ( human-caused ( global warming ) ) ) ) as ) ( compared ( to ( ( the expertise ) ( of ( the ( surveyed sample ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Scientific)) (VP (VBD consensus) (PP (IN on) (NP (JJ human-caused) (JJ global) (NN warming))) (PP (IN as)) (PP (VBN compared) (PP (TO to) (NP (NP (DT the) (NN expertise)) (PP (IN of) (NP (DT the) (VBN surveyed) (NN sample))))))) (. .)))
Scientific consensus on human-caused global warming as compared to the expertise of the surveyed sample.
(ROOT (S (NP (NNP Human) (NNS beings)) (VP (VBP is/are) (NP (NP (DT the) (JJ main) (NN cause)) (PP (IN of) (NP (JJ recent) (JJ global) (NN warming))))) (. .)))
Human beings is/are the main cause of recent global warming.