When psychologists identified the phenomenon of cognitive dissonance — the ability to believe two contradictory things at the same time — they might have been describing the world of international climate change negotiations. Only this month, two authoritative international agencies have pointed out that the world has only a few years left in which to begin taking sufficient action to combat dangerous global warming. The United Nations Environment Programme's Bridging the Emissions...

'Economic growth will need massive energy. Will we allow an accident in Japan, in a 40-year-old reactor at Fukushima, arising out of extreme natural stresses, to derail our dreams to be an economically developed nation?' Every single atom in the universe carries an unimaginably powerful battery within its heart, called the nucleus. This form of energy, often called Type-1 fuel, is hundreds of thousands, if not millions, of times more powerful...

-The Hindustan Times   Where was the seventh billionth baby born on Monday? While Uttar Pradesh seems to have been the destination of choice for the new arrival into this world, the Philippines also staked a claim. Notwithsta-nding the celebrations, there are enough reasons to worry because a growing population means more pressure on the world's stretched resources. For India and its galloping population, the future is much more challenging: while we...

-The Economist   The world’s population will reach 7 billion at the end of October. Don’t panic IN 1950 the whole population of the earth—2.5 billion—could have squeezed, shoulder to shoulder, onto the Isle of Wight, a 381-square-kilometre rock off southern England. By 1968 John Brunner, a British novelist, observed that the earth’s people—by then 3.5 billion—would have required the Isle of Man, 572 square kilometres in the Irish Sea, for its standing...

One week from now, the United Nations estimates, the world’s population will reach seven billion. Because censuses are infrequent and incomplete, no one knows the precise date—the US Census Bureau puts it somewhere next March—but there can be no doubt that humanity is approaching a milestone. The first billion people accumulated over a leisurely interval, from the origins of humans hundreds of thousands of years ago to the early 1800s. Adding...