At 1:30, as he's discussing etymology, I find the word 'hubris' pops into mind. :eek:
More commenting as I listen to the talk. Cuz that's how my ADD ass rolls! :p
Ok, just before 6:00, he says that there exists on the earth all the C molecules that will ever exist, and he proceeds to name where the C resides. Don't we also enjoy a little C rain through all the stuff that falls on us from outer space, though...? I know it may not be a lot, but to me it still begs the wondering.
Point around 9:00 regarding composting, I just finished an article discussing how a county muni in Maryland, and a technical college in Vermont, are beginning experiments with doing just this!