( ( ( water , ) ( ( ( land , ) and ) ( air pollution ) ) ) ; )
(ROOT (NP (NP (NN water)) (, ,) (NP (NP (NN land)) (, ,) (CC and) (NP (NN air) (NN pollution))) (: ;)))
water, land, and air pollution;
(ROOT (S (NP (DT The) (NN water) (NN cycle)) (VP (VBZ involves) (NP (NP (NN movement)) (PP (IN of) (NP (NP (NN water)) (PP (IN between) (NP (NN air) (CC and) (NN land))))))) (. .)))