So where is the scientific consensus for this??

[healthmyths]

Volcanoes ARE cooling Earth: Aerosols from small eruptions have reduced global temperatures and tropical rainfall

• Volcanoes may have cooled the Earth by 0.05°C to 0.12°C since 2000
• Scientists had overlooked the role of aerosols from small eruptions
• The aerosols accumulate between the stratosphere and troposphere
• This layer of the atmosphere is difficult to study as clouds obscure it
• Eruptions through 1990s and 2000s have contributed to warming 'pause'
• Global temperatures plateaued since 1998 after rapid warming in 1990s
• The findings mean models predicting climate change need to be revised

Read more: Volcanoes ARE cooling Earth and have reduced temperatures and tropical rainfall Daily Mail Online
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[BlindBoo]

Volcanoes emit sulfate aerosols which reflect incoming sunlight, cooling the planet. A large volcanic eruption such as the Pinatubo eruption in 1991 can have a global cooling effect of 0.1°–0.3°C for several years (Robock 1994, Zielinski 2000).

However, mega-eruptions or a series of eruptions can have a cooling effect that take decades to wear off, giving a perceived warming effect. Zielinski 2000 studies past volcanoes, particularly over the past few centuries:

How do volcanoes drive climate