This week, opposition leader Peter Dutton indicated he would not commit to a climate change target for 2030 until after the election. Prime Minister Anthony Albanese hit back, saying the Coalition policy would mean energy shortfalls and higher bills. This development sets up the next election as a battle between the major parties on global warming. Also, there has been discontent among Liberal party members - particularly senator Hollie Hughes, who was recently kicked off a winnable spot on the senate ticket. Today, national affairs editor James Massola and chief political correspondent David Crowe join Jacqueline Maley to discuss what these climate battle lines mean. Cut through the noise of federal politics with news, views and expert analysis from Jacqueline Maley. Subscribers can sign up to our weekly Inside Politics newsletter here.Subscribe to The Age & SMH: https://subscribe.smh.com.au/See omnystudio.com/listener for privacy information.