( ( The greenhouses ) ( ( are ( heated ( with ( geothermal energy ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS greenhouses)) (VP (VBP are) (VP (VBN heated) (PP (IN with) (NP (JJ geothermal) (NN energy))))) (. .)))
The greenhouses are heated with geothermal energy.
(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))))) (. .)))