Today 56 newspapers in 45 countries take the unprecedented step of speaking with one voice through a common editorial. We do so because humanity faces a profound emergency. Unless we combine to take decisive action, climate change will ravage our planet, and with it our prosperity and security. The dangers have been becoming apparent for a generation. Now the facts have started to speak: 11 of the past 14 years...

Rich and poor countries have to give ground to get a deal in Copenhagen; then they must focus on setting a carbon price AT A time when they are not short of pressing problems to deal with, the presence of 100-odd world leaders at the two-week meeting that starts in Copenhagen on December 7th to renew the Kyoto protocol on climate change might seem a little self-indulgent. There will be oceans...

James Hansen, world’s leading climate change expert, says summit talks are so flawed that a deal would be a disaster.  The scientist who convinced the world to take notice of the looming danger of global warming says it would be better for the planet and for future generations if next week’s Copenhagen climate change summit ended in collapse. In an interview with the Guardian, James Hansen, the world’s pre-eminent climate...

More suggestions that biofuels are not an environmental free lunch ONCE upon a time, biofuels were thought of as a solution to fossil-fuel dependence. Now they are widely seen as a boondoggle to agribusiness that hurts the environment and cheats taxpayers. A report commissioned by the United Nations endorses neither extreme. It gives high marks to some crop-based fuels and lambasts others. Meanwhile, two papers published in Science, a leading...

Energy security is a major objective of all countries. Some are proactive and aggressive in this pursuit, like China; others like India are slow and procrastinate on major decisions and allow hope to overtake realistic assessments. This makes energy security in the foreseeable future an uncertain goal for India. Any discussion of energy security must keep in mind the Indian realities. Although in overall terms of commercial energy use to...