( ( CO2 ( in ( ( water exchanges ) ( with atmosphere ) ) ) ) ( ( Since ( Industrial Revolution ) ) ( , ( humans ( ( have ( been ( ( ( ( burning ( fossil fuels ) ) , ) and ) ( increasing ( CO2 ( in atmosphere ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (NNP CO2)) (PP (IN in) (NP (NP (NN water) (NNS exchanges)) (PP (IN with) (NP (NN atmosphere)))))) (PP (IN Since) (NP (NNP Industrial) (NNP Revolution))) (, ,) (NP (NNS humans)) (VP (VBP have) (VP (VBN been) (VP (VP (VBG burning) (NP (JJ fossil) (NNS fuels))) (, ,) (CC and) (VP (VBG increasing) (NP (NP (NNP CO2)) (PP (IN in) (NP (NN atmosphere)))))))) (. .)))
CO2 in water exchanges with atmosphere Since Industrial Revolution, humans have been burning fossil fuels, and increasing CO2 in atmosphere.
(ROOT (S (NP (JJ Co2) (NN gas)) (VP (VBZ is) (VP (VBN released) (PP (IN into) (NP (NP (DT the) (NN atmosphere)) (SBAR (WHADVP (WRB when)) (S (NP (JJ fossil) (NNS fuels)) (VP (VBP are) (VP (VBN burned))))))))) (. .)))