As the number of nations and businesses across sectors look outward to space for new opportunities—and commercial space activities grow—the sustainability of space exploration is more important than ever.
![](https://scx1.b-cdn.net/csz/news/tmb/2019/2-space.jpg)
Source:
https://phys.org/news/2020-05-extraterrestrial-ambitions-threaten-future-space.html