"The United Nations warned Wednesday that CO2 levels in the atmosphere saw their biggest annual jump on record in 2024, driven by fossil fuel emissions, wildfires and weakening natural absorption by land and oceans. The findings come ahead of November’s COP30 climate summit in Brazil, with scientists warning of a “vicious cycle” of feedback effects that could push the planet past critical tipping points."
"The increase in the amount of carbon dioxide in the atmosphere last year was the biggest ever recorded, the United Nations said Wednesday, calling for urgent action to slash emissions.
Levels of the three main greenhouse gases – the climate-warming CO2, methane and nitrous oxide – all increased yet again in 2024, with each setting new record highs, the UN's weather and climate agency said.
The World Meteorological Organization said the increase in CO2 levels in the atmosphere from 2023 to 2024 marked the biggest one-year jump since records began in 1957.
Continued fossil CO2 emissions, greater emissions from wildfires, and a troubling reduced absorption by land and sea all drove the increase, the WMO said."
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