Complex sentence: He received credit for the increase in the number and size of the state's national parks, while criticism was made about rail transport which recorded a period of poor on-time running and a damaging industrial dispute in 2004.
Split into simpler sentences: He received credit for the increase in the number and size of the state's national parks. Less positive comment was received about rail transport which recorded a period of poor on-time running and a damaging industrial dispute in 2004.