Climate change: Volcano eruptions promote global warming and CO2

According to the US Geological Survey (USGS), “volcanoes can impact climate change” and “there is no question that very large volcanic eruptions can inject significant amounts of carbon dioxide into the atmosphere”.

The USGS said: “During major explosive eruption huge amounts of volcanic gas, aerosol droplets and ash are injected into the stratosphere.

“Injected ash falls rapidly from the stratosphere – most of it is removed within several days to weeks – and has little impact on climate change.

“But volcanic gases like sulphur dioxide can cause global cooling, while volcanic carbon dioxide, a greenhouse gas, has the potential to promote global warming.”

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