Every five years, parties to the Paris Agreement on climate change must submit action plans that increase their level of ambition in meeting its goal: to halt the average global temperature rise at 2C above pre-industrial levels, if not 1.5C. The current slate of submitted plans, which cover targets to be met by 2030, are only sufficient to halt the heat at somewhere between 2.6C and 3.1C. (Source: Dialogue Earth)