“Mankind is doomed!” Headline writers have been writing that headline since the invention of printing — and someday it will come about. For about four decades, that headline has most often been applied to the threat of global warming. Every couple of years, some...

“It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness…” Charles Dickens wrote those words referring to the era of the French Revolution a little over two centuries ago, but they could equally apply to today....