( and ( ( ( ( ( ( air , ) water ) , ) and ) ( land pollution ) ) . ) )
(ROOT (FRAG (CC and) (NP (NP (NN air)) (, ,) (NP (NN water)) (, ,) (CC and) (NP (NN land) (NN pollution))) (. .)))
and air, water, and land 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))))))) (. .)))