( ( ( ( ( Issues and ) formation ) ( of ( environmental regimes ) ) ) ( -LRB- ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( Transboundary ( air pollution ) ) ( -LRB- ( ( acid rain ) -RRB- ) ) ) , ) ( Ozone depletion ) ) , ) ( ( Whaling ( , Trade ) ) ( in ( ivory ( from ( African elephants ) ) ) ) ) ) , ) ( International ( toxic ( waste trade ) ) ) ) , ) ( Antarctic minerals ) ) , ) ( Global warming ) ) , ) ( Destruction ( of ( tropical forests ) ) ) ) -RRB- ) ) ) ; )
(ROOT (NP (NP (NNS Issues) (CC and) (NN formation)) (PP (IN of) (NP (JJ environmental) (NNS regimes))) (PRN (-LRB- -LRB-) (NP (NP (NP (NNP Transboundary) (NN air) (NN pollution)) (PRN (-LRB- -LRB-) (NP (JJ acid) (NN rain)) (-RRB- -RRB-)) (, ,) (NP (NN Ozone) (NN depletion))) (, ,) (NP (NP (NNP Whaling) (, ,) (NNP Trade)) (PP (IN in) (NP (NP (NN ivory)) (PP (IN from) (NP (JJ African) (NNS elephants)))))) (, ,) (NP (NNP International) (JJ toxic) (NN waste) (NN trade)) (, ,) (NP (JJ Antarctic) (NNS minerals)) (, ,) (NP (JJ Global) (NN warming)) (, ,) (NP (NP (NNP Destruction)) (PP (IN of) (NP (JJ tropical) (NNS forests))))) (-RRB- -RRB-)) (: ;)))
Issues and formation of environmental regimes (Transboundary air pollution (acid rain), Ozone depletion, Whaling, Trade in ivory from African elephants, International toxic waste trade, Antarctic minerals, Global warming, Destruction of tropical forests);
(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)))) (. .)))