New top story on Hacker News: Ask HN: What can we do after a giant impact event

Ask HN: What can we do after a giant impact event
7 by lai-yin | 4 comments on Hacker News.
Doesn't have to be an asteroid. The Yellowstone supervolcano exploding would be catastrophic enough. What can we do within the limits of our technology to restore Earth's ecology to a safe level? Assuming we are adequately prepared before the event occurs.