( We ( also ( ( ( ( ( create ( greenhouse ( gas emissions ) ) ) ( through ( our ( waste ( management practices ) ) ) ) ) , ) ( as ( ( methane gas ) ( is ( produced ( as ( ( waste decomposes ) ( in ( ( dumps and ) landfills ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP We)) (ADVP (RB also)) (VP (VBP create) (NP (NN greenhouse) (NN gas) (NNS emissions)) (PP (IN through) (NP (PRP$ our) (NN waste) (NN management) (NNS practices))) (, ,) (SBAR (IN as) (S (NP (NN methane) (NN gas)) (VP (VBZ is) (VP (VBN produced) (PP (IN as) (NP (NP (NN waste) (NNS decomposes)) (PP (IN in) (NP (NNS dumps) (CC and) (NNS landfills)))))))))) (. .)))
We also create greenhouse gas emissions through our waste management practices, as methane gas is produced as waste decomposes in dumps and landfills.
(ROOT (S (NP (NNS Archaeans)) (VP (VBP produce) (NP (NN methane) (NN gas)) (PP (IN as) (NP (DT a) (NN waste) (NN product)))) (. .)))