A large sulfur dioxide gas cloud is blowing toward Keflavík International Airport. Authorities have told people nearby to stay indoors and keep their windows shut as pollution levels rise. Despite this, flights are running normally and the airport remains open.

The concept isn’t hypothetical. Tephra layers in Icelandic peat cores show that eruptions soared six-fold between 12,000 and 10,000 years ago —exactly when

The most alarming case may be West Antarctica, where more than 100 active volcanoes lie buried beneath the ice. One glacier there— Thwaites, often dubbed the “Doomsday Glacier”— is retreating at an alarming pace.

A volcano on Iceland’s Reykjanes Peninsula erupted again on Wednesday, spewing lava and smoke into the air in what officials say is the twelfth eruption in the region since 2021.Authorities have evacuated families,