"No Australian community will be immune from climate risks that will be cascading, compounding and concurrent," he said. Australia aims to cut carbon emissions by 43% by 2030 and reach net-zero emissions by 2050. Opposition leader Sussan Ley said Australia should cut emissions but not at any cost and the government should avoid alarmist language. Monday's report said Australia was already 1.2 degrees Celsius warmer than historical levels. "This report is a reminder, if we needed one, that the cost of inaction will always outweigh the cost of action."