In June 2022, Shawn Seguin climbed down a ladder into a water well on his property near the town of Caledonia, Ontario. He never came out.

Thousands of forgotten gas wells are killing people in southwestern OntarioAlmost unnoticed, people are dying in explosions and accidents across southwestern Ontario linked to invisible toxic gas leaking from about 27,000 long-buried gas wells.www.nationalobserver.com