Evaluation of sulphate particles in a Greenland ice core suggests we’ve got underestimated the influence of volcanoes, and overestimated the contribution of anthropogenic sources
Setting
10 January 2023
Volcanoes emit gases which have a cooling impact on the local weather Francesco Riccardo Iacomino/Second RF/Getty Photographs
Volcanoes are emitting as much as 3 times extra climate-cooling gases than beforehand thought, based on an evaluation of tiny particles in a Greenland ice core.
Sulphate aerosols have a cooling impact on the local weather by altering clouds and reflecting photo voltaic radiation. Gases launched by volcanoes, marine phytoplankton and the burning of fossil fuels all contribute to the manufacturing of sulphate aerosols, however measuring the contribution from every supply is very exhausting, so there may be uncertainty about their local weather influence.
To …
