sentence: According to scientists at the British Met Office , 2015 is going to be the year when the milestone of 1C warming will be reached - caused by global warming - which will lead to unknown consequences in the future .
modified: Referring to scientists at the British Met Office , 2015 is going to be the year when the milestone of 1C warming will be broken - caused by global warming - which will lead to unknown consequences on the future .
transformation: VERB, VERB, PREP