Carbon dioxide levels in the atmosphere hit a record high in 2024, according to a new report from the UN weather agency.

The World Meteorological Organization (WMO) said heat trapped by such greenhouse gases was "turbo-charging" the Earth's climate and causing more extreme weather.

In its latest bulletin on greenhouse gases, the WMO said CO2 growth rates have tripled since the 1960s, and emissions from human activities and more wildfires helped fan a "vicious climate cycle."

The Geneva-based agency said growth rates of CO2 have accelerated from an annual average increase of 0.8 ppm (parts-per-million) per year to 2.4 ppm per year in the decade from 2011 to 2020.

From 2023 to 2024, the global average concentration of CO2 surged by 3.5 ppm, the largest increase in any one-year span since

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