precious

귀중한

This means using greener materials and constantly inventing new ways to conserve precious resources".

Apple: climate change is real and it's a real problem

Technology company claims 94% of its corporate facilities are now powered by renewable energy as it publishes progress on green targets

https://www.theguardian.com/environment/2014/apr/22/apple-climate-change-is-real-and-its-a-real-problem#:~:text=This%20means%20using%20greener%20materials%20and%20constantly%20inventing%20new%20ways%20to%20conserve%20precious%20resources%22.%20