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Our sense of what is realistic or not might actually limit our own possibility. Consider running a four-minute mile. It was thought to be impossible until Roger Bannister broke the four-minute barrier in 1954. The record now stands at 3:43 and the mile has been run in under four minutes at least 4,500 times.
If Canada doesn't wake up soon, the world as we know it, and all our most easily harvested non-renewable resources -- including fish, according to Dr. Boris Worm -- will be gone before 2050.Me? I'll be gone by then, too. And other than buying a hybrid car, I'm officially out of answers for my kids. How about you?