Which major observatory became the first to receive LEED Gold certification for its innovative sustainable facility design and operations?

The astronomy industry faces unique environmental challenges with large observatories, energy-intensive equipment, and remote locations. In recent years, major initiatives have emerged to reduce astronomy's carbon footprint while maintaining scientific excellence. Test your knowledge about how leading astronomical institutions are pioneering sustainability in their operations and product development.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The Green Bank Observatory in West Virginia, with its solar-powered radio telescopes and zero-waste visitor center
The Gemini Observatory in Hawaii, featuring rainwater harvesting systems and biodegradable instrument packaging
The ALMA Observatory in Chile, with its hydrogen fuel cell power system and comprehensive recycling program
The Lowell Observatory in Arizona, utilizing passive cooling design and sustainable equipment manufacturing