Which astronomy product company was the first to develop a completely carbon-neutral telescope manufacturing process while maintaining research-grade quality?

Space exploration and astronomy have made significant strides in sustainable practices over the years. As we look toward the stars, various organizations and companies have developed eco-friendly products and initiatives that reduce environmental impact while advancing our understanding of the cosmos. This poll tests your knowledge about sustainable product development in the astronomy and space exploration industry.

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Celestron EcoSphere (launched their zero-waste production line in 2018)
Unistellar GreenOptics (pioneered sustainable astronomy tools in 2015)
Meade EarthWatch (introduced their eco-friendly product line in 2019)
Orion SkyGuard (developed sustainable manufacturing processes in 2020)