( ( ( ( GEOTHERMAL ENERGY ) - ) ( ( ENVIRONMENTAL BENEFITS ) ( Geothermal ( is ( ( a ( clean ( energy source ) ) ) ( which ( ( could significantly ) ( contribute ( to ( ( reduce ( ( the emission ) ( of ( greenhouse gases ) ) ) ) ( by ( replacing ( fossil fuels ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP GEOTHERMAL) (NNP ENERGY)) (: -) (NP (NP (JJ ENVIRONMENTAL) (NNS BENEFITS)) (SBAR (S (NP (NNP Geothermal)) (VP (VBZ is) (NP (NP (DT a) (JJ clean) (NN energy) (NN source)) (SBAR (WHNP (WDT which)) (S (VP (MD could) (ADVP (RB significantly)) (VP (VB contribute) (S (VP (TO to) (VP (VB reduce) (NP (NP (DT the) (NN emission)) (PP (IN of) (NP (NN greenhouse) (NNS gases)))) (PP (IN by) (S (VP (VBG replacing) (NP (JJ fossil) (NNS fuels))))))))))))))))) (. .)))
GEOTHERMAL ENERGY - ENVIRONMENTAL BENEFITS Geothermal is a clean energy source which could significantly contribute to reduce the emission of greenhouse gases by replacing fossil fuels.
(ROOT (S (NP (JJ Geothermal) (NN energy) (NN energy)) (VP (VP (VBZ is) (ADJP (JJ clean))) (CC and) (VP (VBZ does) (RB not) (VP (VB release) (NP (NN greenhouse) (NNS gases))))) (. .)))