( ( ( The use ) ( of ( renewable ( energy source ) ) ) ) ( ( creates ( ( ( ( no ( net ( greenhouse ( gas emissions ) ) ) ) and ) ( Clarke Energy ) ) ( believes ( that ( ( ( the use ) ( of ( renewable energy ) ) ) ( is ( ( an ( important part ) ) ( of ( ( ( the ( world 's ) ) response ) ( to ( the ( greenhouse effect ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN use)) (PP (IN of) (NP (JJ renewable) (NN energy) (NN source)))) (VP (VBZ creates) (SBAR (S (NP (NP (DT no) (JJ net) (NN greenhouse) (NN gas) (NNS emissions)) (CC and) (NP (NNP Clarke) (NNP Energy))) (VP (VBZ believes) (SBAR (IN that) (S (NP (NP (DT the) (NN use)) (PP (IN of) (NP (JJ renewable) (NN energy)))) (VP (VBZ is) (NP (NP (DT an) (JJ important) (NN part)) (PP (IN of) (NP (NP (NP (DT the) (NN world) (POS 's)) (NN response)) (PP (TO to) (NP (DT the) (NN greenhouse) (NN effect))))))))))))) (. .)))
The use of renewable energy source creates no net greenhouse gas emissions and Clarke Energy believes that the use of renewable energy is an important part of the world's response to the greenhouse effect.
(ROOT (S (NP (JJ Renewable) (NN energy) (NNS sources)) (VP (VBP emit) (NP (NP (JJR fewer)) (CC or) (NP (DT no) (NN greenhouse) (NNS gases)))) (. .)))