What’s most promising is how these pathways have shifted over time. In a world without climate policies, we’d be heading towards 4 or 5°C, at least. This is the path that most people still think we’re on. That would be a scary world indeed. Thankfully, over time, countries have stepped up their commitments. As we saw with the example of the ozone layer, incremental increases in ambition can make a huge difference.
