Which major astronomy facility has implemented the most comprehensive sustainability program, reducing its carbon footprint by over 30% since 2015 through renewable energy and innovative supply chain management?

The astronomy industry faces unique sustainability challenges due to energy-intensive observatories, remote locations, and specialized equipment. Yet many organizations are pioneering impressive green initiatives to reduce their environmental impact while still advancing our understanding of the cosmos. Test your knowledge about how major astronomy facilities and organizations are implementing sustainability practices in their operations and supply chains.

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European Southern Observatory (ESO) in Chile's Atacama Desert
Mauna Kea Observatories in Hawaii
Very Large Array (VLA) in New Mexico
Square Kilometre Array (SKA) in South Africa and Australia