Despite decades of progress, the air quality in the United States has ... which keeps sunlight out and creates a cooling effect. Volcanic eruptions can spew massive amounts of sulfur dioxide ...

For the fifth time since December, a volcanic eruption is underway in southwest ... Sulfur dioxide gas, which can lead to acid rain and air pollution, could be detected as far as the capital ...

Europe’s largest active volcano—sent a massive plume of sulphur dioxide and volcanic ash into the atmosphere, captivating the ...

US tourist: The ground exploded 'right next to us' Flow from volcano slows, fissure lengthens Wind could carry gas pollution south, southeast COPENHAGEN, Aug 23 (Reuters) - (This Aug. 23 story has ...

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...

MILAN (AP) — Sicily’s Mount Etna put on a fiery show Monday, sending a cloud of smoke and ash several miles into the air, but ...

Vog forms when sulfur dioxide (SO₂) and other volcanic gases react chemically with atmospheric moisture, oxygen, sunlight, and dust.

Sicily's Mount Etna put on a fiery show on Monday, sending a cloud of smoke and ash several kilometres into the air. Although ...

A volcanic eruption in southwestern ... by a new volcanic fissure. Gas pollution and consequences Roads leading to Grindavik have been closed, but air traffic has not been affected.