♻️ap environmental science review

Sulfur Dioxide

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Sulfur dioxide is a gas that is released into the atmosphere through the burning of fossil fuels, particularly coal and oil. It contributes to air pollution and can cause respiratory issues in humans.