MSSCI_ECC_CU_441

Earth’s Changing Climate—Large Volcano Evidence Cards (A-J)—Lesson 4.1© 2016 The Regents of the University of California. Image Credit: Stocktrek/Photodisc/Getty Images

Evidence Card D: Pinatubo Eruption 1991

Carbon dioxide

released by the

Pinatubo eruption:

~ 50 million tons

The Pinatubo

eruption released

invisible carbon

dioxide gas. Carbon

dioxide remains in

the atmosphere for

up to 100 years.

Earth’s Changing Climate—Large Volcano Evidence Cards (A-J)—Lesson 4.1© 2016 The Regents of the University of California. Image Credit: Stocktrek/Photodisc/Getty Images

Evidence Card E: Pinatubo Eruption 1991

Sulfur dioxide

released by the

Pinatubo eruption:

~ 22 million tons

The Pinatubo

eruption released

invisible sulfur dioxide

gas. Sulfur dioxide

remains in the

atmosphere for about

one or two years.

MSSCI_ECC_CU_441

Earth’s Changing Climate—Large Volcano Evidence Cards (A-J)—Lesson 4.1© 2016 The Regents of the University of California. Image Credit: Hoa-Qui/Science Source

Evidence Card F: Pinatubo Eruption 1991

Ash and dust released by

the Pinatubo eruption:

~ 10,000 million tons

The Pinatubo eruption

released a cloud of ash

and dust that blocked

sunlight. Ash and

dust remained in the

atmosphere for a few days.