Which major astronomical observatory was the first to achieve carbon-neutral certification through a comprehensive sustainability program including solar power, reduced water usage, and native habitat restoration?

Modern astronomy faces unique environmental challenges - from light pollution affecting observations to the carbon footprint of massive observatories. As space exploration and astronomical research advance, the industry is pioneering innovative sustainability initiatives. Test your knowledge about how astronomical institutions are balancing scientific discovery with environmental responsibility in this challenging trivia question!

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Mauna Kea Observatories, Hawaii
European Southern Observatory (ESO), Chile
Arecibo Observatory, Puerto Rico
Square Kilometre Array (SKA), South Africa/Australia