The most striking thing to me about human...

The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We humans are rapidly changing the planet. I've watched Amazonia as the rainforest has been cut down. That's something I've seen out the window. I'm very worried about that.

John M. Grunsfeld

Leave a comment

Your email address will not be published. Required fields are marked *