DUBLIN — An Alameda County Superior Court judge recently solidified a win for environmentalists who sued the city of Dublin over a ballot measure that paved the way for potential development of protected open space.

Seth Adams, a director of Save Mount Diablo, said Judge Michael Markman’s Nov. 19 decision was a “huge victory” and “one of great holiday cheer.”

“You’ve got to stand up to bullies,” said Adams, whose organization was one of two groups who sued the city, including another group called Friends of Livermore. “Dublin has been a bully in this situation.”

When over 53% of Dublin voters approved Measure II in November 2024, it allowed the city to decide on potential commercial development in the Doolan and Collier canyons, an area beyond an urban limit line established in 2014 to

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