Participants in the Great Ohio Climate March walk along the route, Saturday, May 16, 2026, in Chesterhill, Ohio. Climate activists lead by nonprofit social welfare organization, Third Act, started their march in Athens on May 16 and planned to reach Columbus on May 28, anticipating to march over 100 miles along parts of the Buckeye trail, unlined roads, and bike paths.

Anne, 79, climbs over a fallen tree on the Buckeye trail during the Great Ohio Climate March, Saturday, May 16, 2026, in Chesterhill, Ohio. Participants in the march walked 6.4 miles along route. Third Act, a nonprofit social welfare organization, comprises of climate activists over the age of 60.

A sign designating the Buckeye trail is seen during the Great Ohio Climate March, Tuesday, May 19, 2026, in McConnelsville, Ohio.

Mary, 70, walks along the Buckeye trail during the Great Ohio Climate March, Tuesday, May 19, 2026, in Cumberland, Ohio. Participants in the march walked 9.5 miles along route.

Climate demonstrators wearing "lamenter" mourning costumes walk in front of an EOG Resource Inc. facility during the Great Ohio Climate March, Tuesday, May 19, 2026, in Brookfield Township, Ohio.

Eva, Visiting Assistant Professor of Earth Sciences at College of Wooster, works to set up her tent at Seneca Lake Park at the end of the fourth day of the Great Ohio Climate March, May 19, 2026, in Senecaville, Ohio.

A person looks on while climate activists walk by during the Great Ohio Climate March, Thursday, May 28, 2026, in Columbus, Ohio.

Demonstrators arrive at Capitol Square outside the Ohio Statehouse on the final day of the Great Ohio Climate March, Thursday, May 28, 2026, in Columbus, Ohio.