Complex sentence: Sutherland Shire Council's objections included issues such as the impact on the threatened green and golden bell frog and concerns about two key ecosystem impacts on the sandhills and the freshwater wetland area.
Split into simpler sentences: Sutherland Shire Council had objected to the proposal, citing issues such as the impact on the threatened green and golden bell frog. The Council also put forth their concerns about the ecosystem, the two key areas in question were the sandhills and the freshwater wetland area.