We've had some tough times, but we've hung in there.

In my own work, I've tried to anticipate what's coming over the horizon, to hasten its arrival, and to apply it to people's lives in a meaningful way.

In global warming, I think everyone is scratching their heads - are there technological things that can be brought to bear that can make a difference?

That would be such a life-changing thing, for us all to know that there are other beings out there who we could potentially communicate with, or maybe we are listening to a signal that they transmitted hundreds of millennia ago.

Technology is notorious for engrossing people so much that they don't always focus on balance and enjoy life at the same time.

I grew up around books. When I first held the book and it was a substantive, tangible thing, and I thought of all the work that went into it, not just my work but everybody else's and the research and so forth, there's a sense of really have done something worthwhile.

With documentary-film projects, you hope you highlight an area of concern people haven't thought about before. A lot of times, I'm asking myself - 'This seems to be a significant problem. What can be done that hasn't been done?