This is one of the questions I get asked most often since I started to cover the topic of asteroid impacts. Will humans will become extinct within a decade, or within a century? And can this happen through natural disasters? For instance if you watch the movies you may think there's a chance of a giant asteroid impact which will make us extinct. But what's the real situation? 

I'll look at natural disasters first, and then results of our technology that could happen in the next ten or twenty years. Technology advances so rapidly that you can't look much further than that, as you can see by predictions of the present from thirty or more years ago. It would be nice to look further ahead, but what may seem major issues for the future  now may never happen and other things that we haven't even thought of might be the big issues of the day in the 2040s.

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