Which major observatory became the first in the world to receive LEED Platinum certification for its sustainability initiatives, including 100% renewable energy usage?

Major astronomical observatories and research facilities are increasingly adopting sustainable practices and green technologies. As astronomy requires significant energy for telescope operations, computing power, and facility maintenance, the industry faces unique sustainability challenges. This poll tests your knowledge about notable sustainability initiatives in the astronomy sector and how observatories are reducing their environmental impact while still advancing our understanding of the cosmos.

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Mauna Kea Observatories (Hawaii)
European Southern Observatory (Chile)
Gemini Observatory Headquarters (Hawaii)
Square Kilometre Array Headquarters (South Africa)