In a world of increasing interdependence, energy security will depend much on how countries manage their relations with one another. That is why energy security will be one of the main challenges of foreign policy in the years ahead. Oil and gas have always been political commodities.

We experienced similiar fears in the 1880s, at the end of World War I and II. And we ran out in the 1970s.

It's extraordinary how inventive one can be with ethanol right now.

Clearly, the Chinese need the resources, but I don't think they want to clash with the industrial world which happens to be the market for their goods.

A premium in the oil price of somewhere between 10 to 15 dollars a barrel reflects this heightened anxiety.

An important United Nations environmental conference went past 6:00 in the evening when the interpreters' contracted working conditions said they could leave. They left, abandoning the delegates unable to talk to each other in their native languages. The French head of the committee, who had insisted on speaking only in French throughout the week suddenly demonstrated the ability to speak excellent English with English-speaking delegates.

The world has produced about 1 trillion barrels of oil since the start of the industry in the nineteenth century. Currently, it is thought that there are at least 5 trillion barrels of petroleum resources, of which 1.4 trillion is sufficiently developed and technically and economically accessible.