Another year of climate commitments has yielded another disturbing record. Greenhouse gas concentrations reached unprecedented levels in 2025, according to the World Meteorological Organisation, reinforcing fears that global efforts to contain rising temperatures are falling dangerously short. Carbon dioxide concentrations have climbed to 426.8 parts per million, 53% above pre-industrial levels, while methane and nitrous oxide have registered similar highs. These figures represent an accumulation of heat-trapping gases........

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