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.
DISCLOSED COLUMN PEN NAME / Climate
Leah Stone
A disclosed GlobalPulse column pen name for climate evidence and policy coverage. Publication responsibility: Bono Fei Jin.
Responsible author: Bono Fei Jin. Publication details.
Articles
3 articles↗
$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.
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.