( ( Discusses ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( recycling , ) plastics ) , ) garbage ) , ) pesticides ) , ) ( acid rain ) ) , ) consumption ) , ) overpopulation ) , ) ( air pollution ) ) , ) ( global warming ) ) , ) and ) ( the ( ozone layer ) ) ) ) . )
(ROOT (NP (NP (NNS Discusses)) (NP (NP (NN recycling)) (, ,) (NP (NNS plastics)) (, ,) (NP (NN garbage)) (, ,) (NP (NNS pesticides)) (, ,) (NP (JJ acid) (NN rain)) (, ,) (NP (NN consumption)) (, ,) (NP (NN overpopulation)) (, ,) (NP (NN air) (NN pollution)) (, ,) (NP (JJ global) (NN warming)) (, ,) (CC and) (NP (DT the) (NN ozone) (NN layer))) (. .)))
Discusses recycling, plastics, garbage, pesticides, acid rain, consumption, overpopulation, air pollution, global warming, and the ozone layer.
(ROOT (S (NP (NNP Air) (NN pollution)) (VP (VBZ causes) (NP (NP (JJ acid) (NN rain)) (, ,) (NP (NN ozone) (NN depletion)) (, ,) (CC and) (NP (JJ global) (NN warming)))) (. .)))