Environment
Greenhouse gases hit record levels in 2025, UN warns
Carbon dioxide reached 426.8 parts per million, standing 53% above pre-industrial levels and driving long-term temperatures ahead of COP31.
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The essentials of this story
- What happened
- Concentrations of major greenhouse gases hit a historic atmospheric record in 2025.
- Who is affected
- Global population and economies affected by extreme weather events.
- What changes
- Increases international pressure for emission cuts ahead of COP31 and highlights the persistence of heat for centuries.
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Sources
- Concentração de gases do efeito estufa atingem níveis recordes — Agência Brasil — meio ambiente
- Concentração de gases do efeito estufa atinge recorde e agrava aquecimento global, alerta ONU — Estadão — internacional