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[INTERNATIONAL] · UN · 17 sources

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UNEP report warns global warming will exceed 1.5°C threshold

A new report from the United Nations Environment Programme (UNEP) titled ‘Limiting Overshoot’ warns that the world is set to exceed the 1.5°C global warming threshold established by the Paris Agreement. Experts suggest this breach is likely to occur within the next few years, with temperatures potentially reaching at least 1.8°C even if current climate commitments are fully implemented.

The report introduces a new strategic framework described as ‘overshoot, peak and decline’. This approach acknowledges the inevitability of exceeding the 1.5°C limit and focuses on minimizing the duration and magnitude of the overshoot. To return temperatures to the target level later this century, the report emphasizes that the world must achieve sustained net-negative CO2 emissions through rapid decarbonization, enhanced adaptation, and large-scale carbon removal technologies.

The consequences of exceeding this threshold are significant, particularly for small island states which face existential threats such as rising sea levels, saltwater intrusion into freshwater and agricultural land, and the collapse of coral reefs. Other risks include accelerated permafrost thaw, ocean circulation disruptions, and increased frequency of extreme weather events. UNEP Executive Director Inger Andersen noted that while the 1.5°C target remains the goal, the global community must now approach it by managing the overshoot to prevent irreversible tipping points.

Entities

Caribbean · Dr. Shobha Maharaj · Indian Ocean · Inger Andersen · Pacific Ocean · Palau · Paris Agreement · Shobha Maharaj · Surangel Whipps Jr · United Nations Environment Programme

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