E Te Māngai, tēnā koe. Tēnā koutou e Te Whare. In 2018 not too long after we got into Government, the Intergovernmental Panel on Climate Change published a report on what it is going to take to limit global warming to below 1.5 degrees Celsius above pre-industrial levels. Staying below that 1.5 degree threshold, the report said, is the best chance that we have of avoiding the worst of the climate crisis. But there was more to it than that. The report provided us with absolute clarity on the challenge that we have ahead of us. Specifically, it said that we need to cut carbon dioxide emissions in half by 2030 and to get to net zero carbon emissions by 2050. There was a seismic shift in our understanding of what our children would inherit if we do not act.