( ( ( ( ( The planet ) ( is ( heating up ) ) ) and ) ( ( world ( weather patterns ) ) ( are changing ) ) ) . )
(ROOT (S (S (NP (DT The) (NN planet)) (VP (VBZ is) (VP (VBG heating) (PRT (RP up))))) (CC and) (S (NP (NN world) (NN weather) (NNS patterns)) (VP (VBP are) (VP (VBG changing)))) (. .)))
The planet is heating up and world weather patterns are changing.
(ROOT (S (NP (NP (NN Uneven) (NN heating)) (PP (IN of) (NP (DT the) (NN atmosphere)))) (VP (VBP form) (NP (NN weather) (NNS patterns))) (. .)))