NASA invites you to kill trees on Earth Day
https://news.ycombinator.com/item?id=7629690I don't get why NASA invites you to print on paper to celebrate Earth Day: http://www.nasa.gov/globalselfie/
Related Stories
Loading related stories...
I don't get why NASA invites you to print on paper to celebrate Earth Day: http://www.nasa.gov/globalselfie/