Recently, Hawaii saw protests against plans to start construction of a Thirty Meter Telescope atop Mauna Kea, the US state's highest mountain at 14,000 feet.
TMT International Observatory
Thirty Meter Telescope selects Mauna Kea | Astronomy.com
Will the Thirty Meter Telescope Be Moved to the Canary Islands? | Space
Thirty Meter Telescope Set to Begin Construction - Sky & Telescope - Sky & Telescope
Thirty Meter Telescope forges ahead with Canary Islands site – Physics World
Thirty Meter Telescope still on hold as it deals with pandemic, funding issues | Honolulu Star-Advertiser
Announcement of the Construction Phase of the Thirty Meter Telescope, a New Neighbor on Mauna Kea | Topics & Announcements | Subaru Telescope