ocean ice
December 15, 2021

New research suggests that a third of the total productivity in the Arctic Ocean is supported by nutrients supplied by river discharge and coastal erosion, highlighting their crucial role for the marine ecosystem.

November 15, 2021

The world is not on track to keep warming below 1.5°C, and immediate action is needed, according to the 4C Carbon Outlook, just released.

November 03, 2021

4C researchers present the latest climate research at the 26th Conference of the Parties (COP26) in support of the need for urgent climate action.

August 23, 2021

The increase in CO2-induced global warming will only stop when humans stop adding CO2 to the atmosphere, according to a recent report published by the 4C project. The report discusses the latest science on zero CO2 emissions, and touches on the importance of zero vs. net-zero emissions for policymaking.

August 04, 2021

Four new datasets developed as part of 4C project are now available.

Salinity measurements in the Southern Ocean are key to reduce uncertainty in projections of future Southern Ocean carbon uptake
April 29, 2021

The Southern Ocean is the largest oceanic sink for human-made carbon dioxide. New research supported by 4C reduces the uncertainty about how much human-made carbon dioxide can be absorbed by the Southern Ocean, by 50 percent.

April 01, 2021

The global carbon cycle involves complex processes and interactions within the Earth system, and understanding these is crucial for climate change mitigation and adaptation. This classroom explains the most important aspects of the carbon cycle and how it is affected by changes in CO2 concentrations.