Complex sentence: In December 2009, after the Hon Kristina Keneally MP defeated Nathan Rees in a leadership ballot to become NSW Premier, Sartor was returned to the NSW Cabinet; appointed to the role of Minister for Climate Change and the Environment.
Split into simpler sentences: In December 2009, after the Hon Kristina Keneally MP defeated Nathan Rees in a leadership ballot to become NSW Premier, Mr Sartor was returned to the NSW Cabinet. Mr Sartor was appointed to the role of Minister for Climate Change and the Environment.