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Building and launching rockets to learn about other worlds hasn’t been great for Earth, but environmental engineers are working on changing that legacy.

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Sources:

https://phys.org/news/2019-03-greener…
https://www.eurekalert.org/pub_releas…
https://advances.sciencemag.org/conte…
https://ntrs.nasa.gov/archive/nasa/ca…
https://www.researchgate.net/publicat…
https://engineering.jhu.edu/labs/wp-c…
https://ntrs.nasa.gov/archive/nasa/ca…
https://www.sciencedirect.com/science…
https://www.nasa.gov/sites/default/fi…

Images:

https://history.nasa.gov/ap11ann/kipp…
https://www.youtube.com/watch?v=P4boy…
https://en.wikipedia.org/wiki/File:19…
https://www.nasa.gov/centers/wstf/tes…
https://svs.gsfc.nasa.gov/12453
https://commons.wikimedia.org/wiki/Fi…
https://en.wikipedia.org/wiki/File:Hy…
https://en.wikipedia.org/wiki/File:Hy…
https://en.wikipedia.org/wiki/File:Am…
https://en.wikipedia.org/wiki/File:MO…
https://commons.wikimedia.org/wiki/Fi…
https://en.wikipedia.org/wiki/File:VA…
https://commons.wikimedia.org/wiki/Fi…