IEA forecast: 1.5-degree target still achievable with significantly higher investment

The World Energy Outlook 2025 shows that the world is currently heading towards a warming of 2.5 degrees despite rapid growth in renewables. In order to limit the increase to 1.5 degrees, investments would have to be doubled.

12. November 2025
Photo taken on May 15, 2016 shows a green energy base which provides both wind and solar power in Yiyang County, central China s Henan Province. The energy base, which takes advantage of its barren mountains and barren fields, have built windmills and installed photovoltaic panels to provide green energy to local people. ) (lfj) CHINA-HENAN-ENERGY BASE (CN) TianxYiwei
Solar park in China: The boom in renewables will continue in the coming years. (IMAGO / Xinhua)

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Last updated: 12. November 2025