Abu Dhabi, Jan. 11 -- United Nations Secretary-General Antonio Guterres said global investment in clean energy continued to surge in 2025, reaching a record USD2.2 trillion and underscoring what he called an irreversible global transition away from fossil fuels.

Speaking by video to the 16th International Renewable Energy Agency (IRENA) Assembly in Abu Dhabi, United Arab Emirates, on Sunday, Guterres said the figure was roughly double the amount invested in fossil fuel energy worldwide.

"The clean energy transition is unstoppable and irreversible," Guterres told delegates, pointing to rapid advances in renewable technologies and falling costs across multiple sectors.

Despite that momentum, he warned that infrastructure development has ...