Recently, chris_gerrib accused me of not taking a stand on what we should do about anthropogenic climate change, saying in one of the threads from this entry

http://chris-gerrib.livejournal.com/322157.html

9 out of 10 people use the "can't be sure" argument as an excuse to do nothing. Try harder ( Read more... )

(this started as a comment to a post of akilika at http://akilika.livejournal.com/1072154.htmlRead more... )

I'm reposting improved versions of my "Worlds for Man" space colonization essays on Fantastic Worlds, and I'm planning on finishing the series this time around. Here are the ones I've posted already ( Read more... )