Climate / Weekly data note
2019–2024: adaptation commitments rise, peak and retreat
UNEP’s constant-price AGR series falls from $31.5 billion in 2022 to $28.2 billion in 2024. Our chart keeps one method and price base throughout.
Source: UNEP ↗
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Climate news briefs
Understand climate research, adaptation and resilience. Read sourced findings alongside analysis of funding, implementation and the questions still open.
Edition updated . Source dates appear beside each article.
3 source-linked briefs in this edition
Climate / Dispatch
$305 billion a year: developing countries' adaptation needs by 2035
$28.2–31.7 billion flowed in 2024, UNEP reports. Its adaptation assessment identifies inflation, funding-access rules and delivery capacity as obstacles.
Source: UN Environment Programme ↗
Climate / Dispatch
426.8 ppm: the global CO2 concentration reported for 2025
Atmospheric concentrations reached new records for CO2, methane and nitrous oxide, WMO reports. CO2 rose 2.8 ppm to a 2025 global average of 426.8 ppm.