(S (S (S (BASENP (NNP Kerry)) (VP (VP (VBD continued) (NP (BASENP (DT the) (NN theme)) (PP (IN of) (BASENP (JJ environmental) (NN conservation) (CC and) (NN change))))) (PP (IN by) (S (VP (VP (VP (VBG topping) (PRT (RP off))) (BASENP (PRPD his) (NN statement))) (PP (IN by) (S (VP (VP (VBG reminding) (NP (BASENP (DT the) (NN crowd)) (PP (IN of) (BASENP (JJ first) (NNP Earth) (NNP Day))))) (CC and) (SBAR (WHADVP (WRB how)) (S (BASENP (PRP it)) (VP (VBP lead) (PP (TO to) (NP (BASENP (DT the) (NN creation)) (PP (IN of) (NP (NP (NP (BASENP (DT the) (JJ Clean) (NN Air) (NN Act)) (COMMA ,) (BASENP (JJ Clean) (NN Water) (NN Act))) (COMMA ,) (BASENP (JJ Endangered) (NNS Species) (NN Act))) (CC and) (BASENP (DT the) (NNP Environmental) (NNP Protection) (NNP Agency))))))))))))))))) (CC and) (S (BASENP (PRP it)) (VP (VBD noted) (SBAR (S (BASENP (PRP it)) (VP (VBD happened) (PP (IN because) (PP (IN of) (NP (BASENP (NNS people) (POS 's)) (NNS actions)))))))))) (PERIOD .))