Archive for the ‘Energy’ Category

Where will energy come from?

Wednesday, December 23rd, 2009

Everyone agrees that one day all the non-renewable resources in the world will be gone or at the very least, very expensive to find.  The only disagreement is how long it will take.  For some resources it will be decades and for others it will be centuries.  This is particularly important  with energy since by definition it’s not renewable.  Once used – it’s gone. So other than emigrating to other planets or depending entirely on solar power, what can we do?

One answer is fusion.  Physicist Steven Cowley is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will work — and details the projects that he and many others have devoted their lives to, working against the clock to create a new source of energy.
(The video is about 9 minutes with Cowley and the balance on a traffic management system in Stockholm that was sponsored by IBM – yes it’s a long commercial.)

Steven Cowley: Fusion is Energy’s future – produced by TED.

Steven says “we have been working on it for 50 years”.  It seems like every 10 years they move the bar further out – he’s now saying we should be successful in 20-30 years.  Let’s hope he’s right.  The last 30 years has been the communication revolution – we now need an energy revolution.

Australia’s Senate rejects Climate bill

Sunday, August 16th, 2009

The country that seemed the most likely to pass legislation to limit carbon emissions before the Copenhagen summit was Australia but it was rejected a few days ago.  The package submitted had two initiatives – a Carbon Pollution Reduction Scheme (CPRS  – this is also called “a renewable energy target” or RET) and an Emissions Trading scheme (ETS).  Australia’s upper house (Senate) is elected by proportional representation so the members are a cross section of the actual voting public.  That means there are 4 parties in the senate and the Labour Government does not have a majority. The Opposition was split – some wanted it weaker and others wanted it stronger so the bill was rejected 42 to 30.  The Government says it will re-submit inside 3 months  – in time for the Copenhagen summit.  The opposition says it wants the bill split into its two parts and will then pass the RET since it is ”reckless and irresponsible to pass legislation for an Australian ETS before we know what sort of global agreement emerges from Copenhagen and from the US Senate”. With just a renewable energy target, there will be no way for them to achieve the goals set for carbon emissions.

The side effect of all this is to tell the world that ETS legislation is not easily passed by Governments who want to pass it – I predict the U.S. senate will also block the Cap and Trade legislation there.

And why is there a problem in Australia?  It is reported that Australia is very split – although they have a strong green alarmist lobby and lots of recent evidence of apparent warming (a seven year drought), there are also lots of realists backed by local scientists.  The public is still mostly supportive of the Government and want strong legislation – mostly because Australia is a dry country and warming would be devastating – so they want Government to do something.  But they may well be coming to realize that they should direct their efforts to adapting and coping and not trying to stop it.

Although their per-capita emissions are the world’s largest – mostly because Australia uses a lot of coal –  if they stopped emissions totally it would reduce global CO2 by 2%.  The only reason to do that is to set an example to the world – especially India and China – and their recent set-back means they will not be doing that for at least another 3 months – barely in time to influence opinion for Copenhagen.

And now the latest news is that the Australian Government has now agreed to Opposition demands and will split out the two components – the Renewable Energy target (RET) will be resubmitted soon and the Cap and Trade (ETS) will be later – probably after the US legislation is passed.  Well that’s what they expect.  The RET is actually a good thing by anyone’s standard – its main objective is to have 20% of all electricity generation come from Renewable Resources by 2020.  Currently Australia produces a large proportion by coal burning plants.

Energy Myths and Realities

Monday, May 18th, 2009

On April 9, 2009, Keith O. Rattie, Chairman, President and CEO of  US Oil company Questar Corporation made a speech to graduating students of the Utah Valley University about Global warming.  Now we know he would be biased in favour of his company but his facts and logic are still hard to refute. See the whole speech here – the following is a summary for those with less time to spend.

Executive Summary: Maybe there is Global warming or maybe not – there is no consensus on details and the computer models used have many places for errors.  But if there is, Cap and Trade won’t help and in fact will cause harm which could be worse than the harm of a warmer climate.  In fact adapting to a warmer climate looks a better proposition than trying to stop it.  This is especially true since the Global warming scientists say Kyoto will not have a discernible effect!  Also there has been a lot of new Natural gas found recently that could easily fill in for Oil – Nuclear power would also help.  Americans and the rest of the world have a big appetite for energy and it’s not likely to slow down – in fact it’s forecast to increase.  Allowing Governments to force change would be a disaster – this was shown by the so called Energy crisis in the 70’s.  Let’s work on finding way to live with warming (if it happens), work on improving technologies and allow the markets to sort out this crisis. [This short, short summary has lost a lot of the interesting parts - read the  longer "summary" or the full version].

Summary

Yes, planet earth does appear to be warming – but by a not so unusual and not so alarming one degree over the past 100 years. Indeed, global average temperatures have increased by about one degree per century since the end of the so-called Little Ice Age 250 years ago. And, yes CO2 levels in the upper atmosphere have increased over the past 250 years from about 280 parts per million to about 380 parts per million today – that’s .00038. What that number tells you is that CO2 – the gas we all exhale, the gas in a Diet Coke, the gas that plants need to grow – is a trace gas, comprising just four out of every 10,000 molecules in the atmosphere. But it’s an important trace gas – without CO2 in the atmosphere, there would be no life on earth. And yes, most scientists believe that humans have caused much of that increase.

But that’s where the alleged consensus ends. Contrary to the righteous certitude we get from some, no one knows how much warming will occur in the future, nor how much of any warming that does occur will be due to man, and how much to nature. No one knows how warming will affect the planet, or how easily people, plants and animals will adapt to any warming that does occur. When someone tells you they do know, I suggest Mark Twain’s advice: respect those who seek the truth, be wary of those who claim to have found it.

My perspective on global warming changed when I began to understand the limitations of the computer models that scientists have built to predict future warming. If the only variable driving the earth’s climate were manmade CO2 then there’d be no debate – global average temperatures would increase by a harmless one degree over the next 100 years. But the earth’s climate is what engineers call a “non-linear, dynamic system”. The models have dozens of inputs. Many are little more than the opinion of the scientist – in some cases, just a guess. The sun, for example, is by far the biggest driver of the earth’s climate. But the intensity of solar radiation from the sun varies over time in ways that can’t be accurately modeled. Another example, water vapor is a far more potent greenhouse gas than CO2. [The media now calls CO2 a "pollutant". If CO2 is a "pollutant" then water vapor is also a "pollutant" - that's absurd, but I digress]. Some scientists believe clouds amplify human CO2 forcing, others believe precipitation acts as the earth’s thermostat. But scientists do not agree on how to model clouds, precipitation, and evaporation, thus there’s no consensus on this fundamental issue.

But the reality for American consumers is that whether you buy that the science is settled or not, the political science is settled. With the media cheering them on, Congress has promised to “do something”. CO2 regulation is coming, whether it will do any good or not. Indeed, President Obama’s hope of shrinking the now the massive federal budget deficit depends on vast new revenues from a tax on carbon energy – so called “cap and trade”. Harry Reid has promised cap and trade legislation by August.

The long term goal with cap and trade is “80 by 50″- an 80% reduction in CO2 emissions by 2050.

In short, ‘80 by 50′ means that by the time you folks reach my age, you won’t be allowed to use anything made with – or made possible by – fossil fuels.

So I want to focus you on this critical question: “How on God’s green earth – pun intended – are you going to do what my generation said we’d do but didn’t – and that’s wean yourselves from fossil fuels in just four decades?” That’s a question that each of you, and indeed, all Americans need to ask now – because when it comes to “how” there clearly is no consensus. Simply put, with today’s energy technologies, we can’t get there from here.

The hallmark of this dilemma is our inability to reconcile our prosperity and our way of life with our environmental ideals. We like our cars. We like our freedom to “move about the country” – drive to work, fly to conferences, visit distant friends and family. We aspire to own the biggest house we can afford. We like to keep our homes and offices warm in the winter, cool in the summer. We like devices that use electricity – computers, flat screen TVs, cell phones, the Internet, and many other conveniences of modern life that come with a power cord. We like food that’s low cost, high quality, and free of bugs – which means farmers must use fertilizers and pesticides made from fossil fuels. We like things made of plastic and clothes made with synthetic fibers – and all of these things depend on abundant, affordable, growing supplies of energy.

And guess what? We share this planet with 6.2 billion other people who all want the same things.

And let’s consider some realities:

Reality 1: Worldwide demand for energy will grow by 30-50% over the next two decades – and more than double by the time you’re my age. Simply put, America and the rest of the world will need all the energy that markets can deliver.

Reality 2: There are no near-term alternatives to oil, natural gas, and coal. Like it or not, the world runs on fossil fuels, and it will for decades to come. Wind and solar are not “alternatives” to fossil fuels [more detail in full article]

Reality 3: You can argue about whether global warming is a serious problem or not, but there’s no argument about the consequences of cap and trade regulation – it’s going to drive the cost of energy painfully higher. That’s the whole point of cap and trade – to drive up the cost of fossil energy so that otherwise uneconomic “alternatives” can compete. Some put the total cost of cap and trade to U.S. consumers at $2 trillion over the next decade and $6 trillion between now and 2050 – not to mention the net loss of jobs in energy-intensive industries that must compete in global markets.

Will cap and trade work? If Europe’s experience with cap and trade is an indication, the answer is “no”. [more detail in full article]  Since 2000 Europe’s CO2 emissions per unit of GDP have grown faster than the U.S.!

Reality 4: Even if America does cut CO2 emissions, those same computer models that predict manmade warming over the next century also predict that Kyoto-type CO2 cuts would have no discernible impact on global temperatures for decades, if ever. When was the last time you read that in the paper?

Well, here are several things we should do.

First, we should improve energy efficiency. Second, we should stop wasting energy. Third, we should conserve energy. Fourth, we should rethink our overblown fear of nuclear power. Fifth, if we let markets work, markets on their own will continue to substitute low-carbon natural gas for coal and oil.

Sixth, your generation needs to focus on new technology and not just assume it [e.g. CO2 storage].

Seventh it’s time to have an honest conversation about alternative responses to global warming than what will likely be a futile attempt to eliminate the use of fossil fuels. What about adapting to warming? In truth, while many scientists believe man’s use of fossil fuels is at least partly responsible for global warming, many also believe the amount of warming will be modest and the planet will easily adapt. Just about everyone agrees that a modest amount of warming won’t harm the planet. In fact, highly respected scientists such as Harvard astrophysicist Willie Soon believe that added CO2 in the atmosphere may actually benefit mankind because more CO2 helps plants grow. When was the last time you read that in the paper?

You’ve no doubt heard the argument that even if global warming turns out not to be as bad as some are saying, we should still cut CO2 emissions – as an insurance policy – the so-called precautionary principle. While appealing in its simplicity, there are three major problems with the precautionary principle.

First, none of us live our lives according to the precautionary principle [more detail in full article]

Second, the media dwells on the potential harm from global warming, but ignores the fact that the costs borne to address it will also do harm.

Third, economists will tell you that the consequence of a cap and trade tax on energy will be slower economic growth. Slower growth, compounded over decades, means that we leave future generations with less wealth to deal with the consequences of global warming, whatever they may be.

In truth, humans are remarkably adaptive. People live north of the Arctic Circle where temperatures are below zero most of the year. Roughly one-third of mankind today lives in tropical climates where temperatures routinely exceed 100 degrees. In fact, you can take every one of the theoretical problems caused by global warming and identify lower-cost ways to deal with that problem than rationing energy use. For example, if arctic ice melts and causes the sea level to rise, a wealthier world will adapt over time by moving away from the beach or building retaining walls to protect beachfront property. Fine, you say. But how do we save the polar bear? I’d first point out that polar bears have survived sometimes dramatic climate changes over thousands of years, most recently the so called “medieval warm period” (1000-1300 A.D.) in which large parts of the arctic glaciers disappeared and Greenland was truly “green”. Contrary to that heart-wrenching image on the cover of Time of an apparently doomed polar bear floating on a chunk of ice, polar bears can swim for miles. In addition, more polar bears die each year from gunshot wounds than from drowning. So instead of rationing carbon energy, maybe the first thing we should do to protect polar bears is to stop shooting them!

Let me close by returning to the lessons my generation learned from the 1970s energy crisis. We learned that energy choices favored by politicians but not confirmed by markets are destined to fail. If history has taught us anything it’s that we should resist the temptation to ask politicians to substitute their judgments for that of the market, and let markets determine how much energy gets used, what types of energy get used, where, how and by whom energy gets used. In truth, no source of energy is perfect, thus only markets can weigh the pros and cons of each source. Government’s role is to set reasonable standards for environmental performance, and make sure markets work.

Energy Outlook is gloomy

Sunday, November 23rd, 2008

The World Energy Agency is an International body that reports on the World Energy Consumption and predicts future trends.  They recently released their report showing trends to 2030 – the report is 800 pages but a good summary can be had from their key graphs – see the side bar for a copy or download here.  Their web site is here.

Unfortunately, because energy production is a major contributor to CO2 production, the focus of the discussion around the report is that all this increased energy usage will exacerbate the climate problem.  How about some concern that this energy demand is not sustainable?  How about some action to change the mix from oil and gas to nuclear, geothermal, hydro-electric and even some wind and solar?

As has been said here, there is no problem with global warming due to man-made CO2 production – but there certainly is a problem with depletion of oil and gas.

And by the way, now is a good time to buy oil and gas stocks!

Carbon emissions do not cause global warming

Saturday, October 11th, 2008

On August 30, 2008 the National Post published an article by David Evans (see copy here: No evidence to support that carbon emissions cause significant global warming). David Evans is an Australian Scientist who worked on carbon emission modeling and believed for years that carbon emissions caused global warming.  He has now changed his mind based on the evidence – particularly since 2001.  He is concerned that politicians and the media have not understood this and is trying to help.

To quote some of his points:

  1. Satellite measurements do not show any evidence of global warming – in fact since 2001 there is evidence of some cooling
  2. Satellite measurements plus radiosondes (weather balloons) show no evidence of greenhouse warming
  3. Evidence that used ice cores to show that global warming in earlier centuries was associated with more carbon dioxide in the air have the carbon occuring after the warming not before – so it’s an effect not a cause.
  4. Computer models and theoretical calculations are not evidence, they are just theory.
  5. When the public find out that all the above points were known in 2008, might they feel deceived, furious at the futility of the economic sacrifices? Who is going to be held responsible? Perhaps the political class, for not having the wit to examine the evidence? Maybe the press, for not have not done even the most elementary job of informing a debate and asking questions? If any of the [above is] news to you, then no, your press has not been keeping you well informed. (This item omitted from Post article).

In another paper, David suggest that perhaps the Global temperature can be affected by the sun’s cosmic rays which affects low-level clouds which in turn affects surface temperature.  But being a theory too, this has not yet been proved either.

So although preserving the planet’s resources, conserving energy and minimizing waste are all good things, let’s not get them confused with global warming.  There is no evidence yet that carbon emissions cause measurable global warming. None.