Global emissions had to decline with Immediate actionby 2025 for 1.5°C AND 2°C limits (1.5°C now way too late)(IPCC 6th Assessment, WG3, SPM C.
UNEP Climate Emergency
IPCC 6th Assessment (AR6)
Climate Emergency Institute
AGU 2024 Town Hall Presentation(American Geophysical Union) annual conference
Global Warming IS Accelerating (confirmed 6 March 2026, Foster, Rhamstorf)
May 2025 was the 21st month in a 22-month period for which the global warming above 1.5°C The run was broken by June 2025.
2024 was the global warming record year at 1.55°C2023 was 1.45°C and 2025 1.47°C (Copernicus)
Atmospheric Greenhouse Gas Concentrations
Atmospheric greenhouse gas concentration (CO2 eq.)
drives global warming.It is record high (519 ppm CO2eq) and accelerating CO2 is responsible for about two thirds of global heating and all the ocean acidification.
Atmospheric greenhouse gas concentration (CO2 eq.)
drives global warming.It is record high (519 ppm CO2eq) and accelerating CO2 is responsible for about two thirds of global heating and all the ocean acidification.
Mitigation
IPCC AR6 For the 1.5°C limit and for the 2°C limit global GHG emissions decline by2025 at the latest, with immediate action
IPCC AR6 For the 1.5°C limit and for the 2°C limit global GHG emissions decline by2025 at the latest, with immediate action
GLOBAL GHG EMISSIONS2024 Global CO2 equivalent emissions- (CO2 and the other main greenhouse gases all together) is record high (539 ppm CO2 eq., NOAA 2024)
First Response:
The Fossil Fuel Treaty
The Fossil Fuel Treaty
Global temperatures from the past three years (2023-2025) averaged more than 1.5°C above the pre-industrial level.
This marks the first time a three-year period has exceeded the 1.5°C limit.
Air temperature over global land areas was second warmest, whilst the Antarctic saw its warmest annual temperature on record and the Arctic its 2nd warmest (Copernicus)
The 1.5°C danger limit is broken, and 2°C is being broken, which James Hansen says will be in the 2030s, not 2050 (as IPCC)
This marks the first time a three-year period has exceeded the 1.5°C limit.
Air temperature over global land areas was second warmest, whilst the Antarctic saw its warmest annual temperature on record and the Arctic its 2nd warmest (Copernicus)
The 1.5°C danger limit is broken, and 2°C is being broken, which James Hansen says will be in the 2030s, not 2050 (as IPCC)
Accelerating global temperature and atmospheric GHGs
IPCC AR6 Mitigation projections
Instead, they are still being increased, as fast as ever, which means future planetary catastrophe.
Emissions
Runaway Climate: The Point of No Return, James Hansen, 6 March 2026
Climate Emergency Institute
