( ( ( Environmental Change ) and ) Biodiversity )
(ROOT (NP (NP (NNP Environmental) (NNP Change)) (CC and) (NP (NNP Biodiversity))))
Environmental Change and Biodiversity
(ROOT (S (NP (NNP Biodiversity)) (VP (VBZ helps) (VP (VB ensure) (SBAR (WHNP (WDT that)) (PRN (, ,) (ADVP (IN at) (JJS least)) (, ,)) (S (NP (DT some) (NNS species)) (VP (MD will) (VP (VB survive) (NP (JJ environmental) (NN change)))))))) (. .)))