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The Environment Agency said on 2 October that reservoirs across England were 55% full, against a usual seasonal level of 74.3%. Drought continues in southern and central England.
Data includedRepresentatives of Pacific small island developing states concluded a COP31 preparatory meeting in Nadi, Fiji, on 30 September–2 October. Talks focused on regional priorities and shared positions ahead of the November conference in Antalya.
Data includedCEMADEN’s monitoring bulletin released October 2 counted 276 municipalities in the two drought classes in September, up from 157 in August.
Data includedJapan's environment ministry published findings on 2 October from an integrated survey of Nishinoshima conducted in July 2026. The report describes changing landforms and wildlife, as well as trial equipment for continued remote monitoring.
Data includedThe CO₂ concentration was 5.5% higher than in December 2016.
Data includedA report released on 1 October gives an annual average range for 2023–2025; the lower estimate uses data from 104 countries.
Data includedBusiness as usual projects demand more than tripling and cooling emissions reaching 7.2bn tonnes.
Data includedThe 2025 synthesis covers plans recorded by 30 September, representing about 30% of 2019 global emissions excluding LULUCF.
Data includedESA launched its Biomass satellite from French Guiana on a Vega-C rocket on 29 April 2025. Its first signal arrived 72 minutes after liftoff.
Data includedEurope’s warmest year on record was 2024. Flooding killed at least 335 people and affected an estimated 413,000.
Data includedAnnual greenhouse-gas emissions need to fall 42% by 2030 and 57% by 2035 from 2019 levels.
Data includedSurface temperature was 1.55 ± 0.13°C above 1850–1900. WMO cautioned against conflating a single year with the long-term threshold.
Data included
