Analysis of sulphate particles in a Greenland ice core suggests now we have underestimated the affect of volcanoes, and overestimated the contribution of anthropogenic sources
Environment
10 January 2023
Volcanoes emit gases which have a cooling impact on the local weather Francesco Riccardo Iacomino/Moment RF/Getty Images
Volcanoes are emitting as much as 3 times extra climate-cooling gases than beforehand thought, in accordance with 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 onerous, so there may be uncertainty about their local weather affect.
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