(Reuters) - The concentration of greenhouse gases in the atmosphere reached a record high last year, the World Meteorological Organization (WMO) said on Wednesday, warning there was "no end in sight" to the trend.
The warning comes weeks before world leaders are due to gather in Dubai for the annual U.N. climate conference COP28, which will see governments push for greater climate action, including a possible phase-out of fossil fuels before 2050.
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