Hack

The federal government has unveiled its electric vehicles policy, but the strategy doesn’t include any subsidies or tax incentives to make them more affordable. More than five million people have taken part in an Instagram campaign that promised to plant one tree for every pet picture posted. Now organisers say they don’t have the resources to follow through. Plus, how a new injection could help treat opioid addiction. Live guests: Dr Jake Whitehead, transport scientist at the University of Queensland Dr Jonathon Hutchinson, digital cultures expert at USYD Suzanne Nielsen, deputy director at the Monash Addiction Research Centre