To reach a net-zero warming impact from methane, even with reductions of 47% of actual animal emissions, we would need to plant 4.1 million hectares of pine forest between now and 2050.
The company that runs Tiwai Point aluminium smelter is working with local iwi to draw up remediation plans for the site.
Steps to get the farming community reporting its emissions by 2025 might be gaining traction, but it will be difficult and challenging to get everyone over the line, the environment select committee heard last week.
Decarbonising transport is the key to reaching NZ's net zero 2050 goal, with difficult decisions needed on heavy freight, shipping and rail.