A recent NASA-funded study has linked the 1991 eruption of the Mount Pinatubo to a strengthening of a climate pattern called the Arctic Oscillation. For two years following the volcanic eruption ...

It's a striking start to a well-crafted dance about the 1991 eruption of Mount Pinatubo in the Philippines, Ignacio's native country.

A vast cloud from an intensifying volcanic eruption in Iceland is too small so far to slow global warming as happened in 1991 with the explosion of Mount Pinatubo in the Philippines, experts say.