Global climate trends in 2026 will be shaped by US policy shifts favoring fossil fuels under Trump, contrasted with growing demand for renewables driven by data centers. China's economic ambitions and its role as a green tech leader will influence decarbonization efforts, with its upcoming five-year plan and carbon intensity targets being key indicators. International negotiators will focus on creating roadmaps to phase out fossil fuels and deforestation, with key conferences planned in Colombia and Bonn.