Showing posts with label Peak Oil. Show all posts
Showing posts with label Peak Oil. Show all posts

Tuesday, April 29, 2008

Hansen, Clock running out on irreversible climate change

Dr James Hansen, April 28, Online Opinion

New York: fifty years ago, Yankee Stadium had about 70,000 seats. It seldom sold out, and almost any kid could afford the cheapest seats. Capacity was reduced to about 57,000 when the stadium was remodeled in the 1970s. Most games sell out now, and prices have gone up.

The new stadium, opening next year, will reduce seating to about 51,800. This intentional contraction is aimed at guaranteeing sellouts, increasing demand, allowing the owners, in short order, to triple prices or more. The owners have learned that scarcity will fatten their wallets. The plan may discriminate against the lower middle class, but as long as the owner is footing the bill without public subsidies, there may be little grounds for complaint.

Now fossil-fuel moguls are intent on hoodwinking the entire planet with an analogous scheme.

The basic trick is oil producers overstating fossil-fuel reserves. Government "energy information" departments parrot industry. Partly because of disinformation, the major efforts needed to develop alternative energies have not been made.

The reality of limited supply forces prices higher. Eventually, sales volume will begin to decline, but fossil-fuel moguls will make more money than ever. They'll continue to assert that there's plenty more oil, gas or coal to be found, aiming to keep the suckers on the hook. Indeed, they may find somewhat more in the deep ocean, under national parks, in polar regions, offshore, and in other environmentally sensitive areas. They don't need much to keep the suckers paying higher and higher prices.

Oil "reserves" suddenly doubled when Organization for the Petroleum Exporting Countries decided that production quotas would be proportional to official reserves. These higher reserves are, at least in part, phantom. Coal "reserves" are based on estimates made many decades ago. Closer study shows that extractable coal reserves are vastly overstated, consistent with present production difficulties and rising prices. The presumed 200-year supply of coal in the United States is a myth, but it serves industry moguls well.

Conventional fossil-fuel supplies are limited, even if we tear up the Earth to extract every last drop of oil and shard of coal. Tearing up the Earth to get at those last drops - Exxon/Mobil proudly advertises that they're drilling the depths of the ocean and searching the most extreme pristine environments - is as insane as the smoker who trudged four miles through a raging storm to buy a pack of Camel cigarettes to feed his nicotine addiction.

It would be possible to find more fossil fuels, and extend our addiction and pollution of the environment, should we be so foolish as to take the path of extracting unconventional fossil fuels such as tar shale and tar sands on a large scale. That choice cannot be left to the discretion of industry moguls. The planet does not belong to them.

Basic facts on reserves must be combined with basic climate facts described in the paper Target Atmospheric CO2: Where Should Humanity Aim?

Our conclusion is that, if humanity wishes to preserve a planet similar to the one on which civilisation developed and to which life on Earth is adapted, CO2 must be reduced from its present 385ppm (parts per million) to, at most, 350ppm. We find that peak CO2 can be kept to about 425ppm, with large estimates for oil and gas reserves, if coal use is phased out by 2030 (except where CO2 is captured and sequestered) and unconventional fossil fuels are not tapped substantially. Peak CO2 can be kept close to 400ppm, if actual reserves are closer to those estimated by "peakists", who believe that the globe is already at peak global oil production, having extracted about half of readily extractable oil resources.

This lower 400ppm peak can be ensured, assuming phase-out of coal emissions by 2030, if a practical limit on reserves is achieved by means of actions that prevent fossil-fuel extraction from public lands, off-shore regions under government control, environmentally pristine regions and extreme environments. The concerned public can influence this matter, but time is short, the industry voice is strong and climate effects have not yet become so obvious to the public as to overwhelm the disinformation from industry moguls.

A near-term moratorium on coal-fired power plants and constraints on oil extraction in extreme environments are essential, because once CO2 is emitted to the air much of it will remain there for centuries. Improved agricultural and forestry practices, mostly reforestation, could draw down atmospheric CO2 by about 50ppm by the end of the century. But a greater drawdown by such more-or-less natural methods seems impractical, making a long-term overshoot of the 350ppm target level, with potentially disastrous consequences, a near certainty if the world stays on its business-as-usual course.

If we choose a different path, which permits the possibility of achieving 350ppm CO2 or lower this century, we can minimise the chance of passing tipping points that spiral out of control, such as disintegration of ice sheets, rapid sea level rise and extermination of countless species. At the same time, we could solve problems that seem intractable, such as acidification of the ocean with consequent loss of coral reefs.

In any event, we must move beyond fossil fuels soon, because a large fraction of CO2 emissions will linger in the atmosphere for many centuries.

The world must move to zero fossil-fuel emissions. This is a fact, a certainty. So why not do it sooner, in time to avert climate crises? At the same time, we halt other pollution that comes from fossil fuels, including mercury pollution, conventional air pollution, problems stemming from mountain-top removal and more.

Breaking an addiction is not easy. But we may be like the smoker who trudged four miles through rain to get a pack of Camels - when he got back to his motel he threw the pack away and never smoked again.

Fossil-fuel addiction is more difficult - one person's epiphany cannot solve the problem. This problem requires global co-operation. We must be on a new path within the next several years, or reducing CO2 levels this century becomes implausible. Developed countries, the source of most excess CO2 in the air today, must lead in developing clean energy and halting emissions. Yet it is hardly a sacrifice: "Green" jobs will be an economic stimulus and a boon to worker well-being.

A major fight is brewing - it might be called war. On the one side, we find the short-term financial interests of the fossil-fuel industry. On the other side: young people and other beings who will inherit the planet. The fight seems uneven. The fossil-fuel industry is launching a disinformation campaign, and they have powerful influence in capitals around the world.

Young people seem pretty puny in comparison to industry moguls, and animals don't talk or vote. The battle may start with local and regional skirmishes, one coal plant at a time. But it could build rapidly - we're running out of time.

Meanwhile, the moguls' dirtiest trick is spewing "green" messages to the public - propaganda, intended to leave the impression they're moving in the right direction. Meanwhile they hire scientific has-beens to dispute evidence and confuse the public.

When will we know that the long-term public interest has overcome the greed? When investors, companies and governments begin to invest en masse in renewable energies, when all aim for zero-carbon emissions.

Tuesday, October 23, 2007

Steep decline in oil production brings risk of war and unrest, says new study

Ashley Seager, October 22, The Guardian

Oil platform in the Gulf of Mexico at sunset
Oil platform in the Gulf of Mexico at sunset. Photo: Larry Lee/Corbis

World oil production has already peaked and will fall by half as soon as 2030, according to a report which also warns that extreme shortages of fossil fuels will lead to wars and social breakdown.

The German-based Energy Watch Group will release its study in London today saying that global oil production peaked in 2006 - much earlier than most experts had expected. The report, which predicts that production will now fall by 7% a year, comes after oil prices set new records almost every day last week, on Friday hitting more than $90 (£44) a barrel.

"The world soon will not be able to produce all the oil it needs as demand is rising while supply is falling. This is a huge problem for the world economy," said Hans-Josef Fell, EWG's founder and the German MP behind the country's successful support system for renewable energy.

The report's author, Joerg Schindler, said its most alarming finding was the steep decline in oil production after its peak, which he says is now behind us.

The results are in contrast to projections from the International Energy Agency, which says there is little reason to worry about oil supplies at the moment.

However, the EWG study relies more on actual oil production data which, it says, are more reliable than estimates of reserves still in the ground. The group says official industry estimates put global reserves at about 1.255 gigabarrels - equivalent to 42 years' supply at current consumption rates. But it thinks the figure is only about two thirds of that.

Global oil production is currently about 81m barrels a day - EWG expects that to fall to 39m by 2030. It also predicts significant falls in gas, coal and uranium production as those energy sources are used up.

Britain's oil production peaked in 1999 and has already dropped by half to about 1.6 million barrels a day.

The report presents a bleak view of the future unless a radically different approach is adopted. It quotes the British energy economist David Fleming as saying: "Anticipated supply shortages could lead easily to disturbing scenes of mass unrest as witnessed in Burma this month. For government, industry and the wider public, just muddling through is not an option any more as this situation could spin out of control and turn into a complete meltdown of society."

Mr Schindler comes to a similar conclusion. "The world is at the beginning of a structural change of its economic system. This change will be triggered by declining fossil fuel supplies and will influence almost all aspects of our daily life."

Jeremy Leggett, one of Britain's leading environmentalists and the author of Half Gone, a book about "peak oil" - defined as the moment when maximum production is reached, said that both the UK government and the energy industry were in "institutionalised denial" and that action should have been taken sooner.

"When I was an adviser to government, I proposed that we set up a taskforce to look at how fast the UK could mobilise alternative energy technologies in extremis, come the peak," he said. "Other industry advisers supported that. But the government prefers to sleep on without even doing a contingency study. For those of us who know that premature peak oil is a clear and present danger, it is impossible to understand such complacency."

Mr Fell said that the world had to move quickly towards the massive deployment of renewable energy and to a dramatic increase in energy efficiency, both as a way to combat climate change and to ensure that the lights stayed on. "If we did all this we may not have an energy crisis."

He accused the British government of hypocrisy. "Tony Blair and Gordon Brown have talked a lot about climate change but have not brought in proper policies to drive up the use of renewables," he said. "This is why they are left talking about nuclear and carbon capture and storage. "

Yesterday, a spokesman for the Department of Business and Enterprise said: "Over the next few years global oil production and refining capacity is expected to increase faster than demand. The world's oil resources are sufficient to sustain economic growth for the foreseeable future. The challenge will be to bring these resources to market in a way that ensures sustainable, timely, reliable and affordable supplies of energy."

The German policy, which guarantees above-market payments to producers of renewable power, is being adopted in many countries - but not Britain, where renewables generate about 4% of the country's electricity and 2% of its overall energy needs.