Complex sentence: Rapid economic growth led to large and expanding construction programs of coal-fired power stations (black coal in New South Wales, brown coal in Victoria) and by the 1980s complex policy questions had emerged involving the massive requirements for investment, land and water.
Split into simpler sentences: Rapid economic growth led to large and expanding construction programs of coal-fired power stations such as black coal in New South Wales and brown coal in Victoria. By the 1980s complex policy questions had emerged involving the massive requirements for investment, land and water.