( ( environmental ( catalysis ( and ( reaction engineering ) ) ) ) ; )
(ROOT (NP (NP (JJ environmental) (NNS catalysis) (CC and) (NN reaction) (NN engineering)) (: ;)))
environmental catalysis and reaction engineering;
(ROOT (S (PP (RB Instead) (IN of) (NP (NN heat))) (, ,) (NP (NNS organisms)) (VP (VBP use) (S (NP (NNS catalysis)) (VP (TO to) (VP (VB speed) (PRT (RP up)) (NP (NNS reactions)))))) (. .)))
Instead of heat, organisms use catalysis to speed up reactions.