According to the Simon Upton, the Parliamentary Commissioner for the Environment, $2.6 billion was spent on environmental protection in 2020.
Now, an upcoming report is highlighting the need to know if that sum is actually making a difference.
According to Upton, we need more data so we can measure the impact of that expense to make sure we're spending that money wisely.
University of Auckland School of Environment Honorary Professor and Te Pūnaha Matatini Principal Investigator Troy Baisden talks to Jesse.
