The emergency is now

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 "In 2018, IPCC highlighted the unprecedented scale of the challenge required to keep warming to 1.5°C. Five years later, that challenge has become even greater due to a continued increase in greenhouse gas emissions. The pace and scale of what has been done so far, and current plans, are insufficient to tackle climate change" IPCC Synthesis Report 2023  Press release

We need a "rapid and far reaching...unprecedented" transformation in the economy. Source: UN IPCC 2018 Report (page 17)

Urgent changes are needed to cut the risk of extreme heat, drought, floods and poverty - to limit climate catastrophe. Source: 2018 UN IPCC reported in The Guardian