Complex sentence: On 16 July 2008, the Rudd Government released a green paper for its Carbon Pollution Reduction Scheme outlining the intended design of the scheme and a more detailed white paper was released on 15 December 2008.
Split into simpler sentences: On 16 July 2008, a green paper was released outlining the intended design of the scheme. A more detailed white paper was released on 15 December 2008.