need a light? NASA tests new rocket (video)

[AVGWarhawk]

Originally Posted by AngusJS

I don't know. That's like saying the annual California brushfire has already wiped out thousands of acres, so why bother to put out the small grassfire in your backyard. Why wouldn't you want to diminish an undesirable effect when it's possible to do so?

Good point. I wonder if anyone has ever looked at just how much is dumped into the air then compared it to say a year of automobiles dumping and at what amount?