The Safeguard Mechanism was introduced in 2016 by the Tony Abbot government. It applies to Australia’s biggest polluters - largely gas, coal, mining and manufacturing - and was supposed to stop climate change by limiting the amount of dirty greenhouse gasses they pump out.
You might have heard us celebrating a record number of appeals lodged last month against Woodside’s North West Shelf extension to 2070. So what does it all mean, and why does it matter?