https://phys.org/news/2018-10-hawaii-supreme-court-giant-telescope.html

Opponents and supporters have been awaiting the ruling because it was expected to help determine whether the project is built in Hawaii or moves to a backup location in Spain's Canary Islands that's less desirable to scientists hoping to use the instrument for groundbreaking discoveries.

Plans for the project date to 2009, when scientists selected Mauna Kea after a five-year, around-the-world campaign to find the ideal site for what telescope officials said "will likely revolutionize our understanding of the universe."