The Ocean Cleanup (rid the ocean of plastics) (theoceancleanup.com)

They do an impressive job of sharing what they're doing on a live dashboard where you can view all the projects they're currently managing[1]. They also do some interesting engineering to scale their equipment [2].

[1]https://theoceancleanup.com/dashboard/ [2]https://theoceancleanup.com/updates/transition-to-system-03-...