Rome, 27 Oct. (LaPresse) – Levels of long-lived greenhouse gases in the atmosphere “have reached record levels”. This was stated by the World Meteorological Organisation, a United Nations agency, in its annual greenhouse gas bulletin for 2025. The three main gases are carbon dioxide, methane and nitrous oxide. Since the 1960s – the report emphasises – CO₂ growth rates have tripled. “In effect, we are heating up the ocean and the atmosphere. This means that heatwaves, tropical cyclones and storms are intensifying more rapidly than our historical data had prepared us for,” said the organisation’s Deputy Secretary-General, Ko Barrett, during the press conference to present the report.
Climate: UN reports new record for greenhouse gas concentrations in the atmosphere

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Rome, 27 Oct. (LaPresse) – Levels of long-lived greenhouse gases in the atmosphere “have reached record levels”. This was stated by the World Meteorological Organisation, a United Nations agency, in its annual greenhouse gas bulletin for 2025. The three main gases are carbon dioxide, methane and nitrous oxide. Since the 1960s – the report emphasises – CO₂ growth rates have tripled. “In effect, we are heating up the ocean and the atmosphere. This means that heatwaves, tropical cyclones and storms are intensifying more rapidly than our historical data had prepared us for,” said the organisation’s Deputy Secretary-General, Ko Barrett, during the press conference to present the report.
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