Friday, October 19, 2007

Ships Are Outpolluting Planes

The was a large global warming protest recently at London’s Heathrow Airport but so far there has been no such protests at any shipping port. Maybe there should be. A shipping industry group called Intertanko has released a report which says that carbon dioxide emissions from shipping are now almost double that from aviation. In an article on the report from ABC News in Australia it says that Intertanko attributes the growth in carbon dioxide emissions from shipping to an increase in global trade and the use of more fuel to speed up the delivery of goods.

Concerns about shipping in this country have largely focused on terrorism. In the US critics of the government’s security measures have complained that a large percentage of shipping containers that arrive in this country are never checked. There has been little concern over the amount of carbon dioxide released getting the containers over here. This report should finally place shipping under the global warming microscope.

Monday, October 08, 2007

Is Preserving the American Lifestyle while Fighting Global Warming Incompatible?

Energy efficiency expert Joe Romm from the Center for American Progress says in a recent post on Gristmill blog that “The deniers and delayers want people to believe that environmentalists are hyping climate change to achieve a hidden agenda of government limits on their consumption,” He also points out that he doesn’t "know any major environmentalist or environmental group that has promoted such a message.” Nevertheless, there are environmentalists (perhaps not considered major environmentalists by Romm) who do have that message and are keeping the debate alive within the environmental community. The position for need to reduce consumption is well articulated by Glenn Barry in a post on his Climate Change blog on his website Climate Ark. Barry states that “The crazily consumptive, super size, sexily scintillating, over the top American lifestyle is precisely the reason global climate is changing and the Earth's ecosystems collapsing.” He goes on to say that “Climate policy can only be effective if based upon ecological truths. And one such truth is that going green DOES mean sacrificing the American lifestyle. And it is deeply wasteful of time and resources necessary to solve global ecological crises to suggest otherwise.”

If we are going to successfully fight global warming we better hope that Barry is wrong. It his highly unlikely that people in large enough numbers will give up the American lifestyle. If we can’t work around that problem then we probably will not solve the problem of climate change.

Saturday, October 06, 2007

Biofuels May Be Fueling Global Warming

The main knock against using food like corn for fuel is that because of the high price of gasoline which it can replace as ethanol it drives up the price of food which makes the problems of world hunger even more acute than they already are. Until now at least, those in favor of biofuels could at least argue that by replacing gasoline with ethanol from crops like corn, greenhouse gas emissions are reduced. But even that argument is now in jeopardy as a result of paper by Nobel Prize winner Paul Crutzen and colleagues who found that the nitrogen fertilizer used to grow crops such as corn results in greater amounts of the greenhouse gas nitrous oxide being produced by microbes than was previously thought. In fact, so much nitrous oxide results that it is calculated that by using corn for fuel the contribution to global warming can be as high as 1.5 times as burning fossil fuels. According to an article on SciDev.Net sugar is the only biofuel crop that is exempt from this problem because it requires less fertilizer. However, growing sugar in places like Brazil results in deforestation which also increases global warming.

Considering the effect on food prices alone, the rush to turn corn into ethanol hasn’t made much sense. If the results of this new study are confirmed this transformation from food to fuel will make even less sense.

Saturday, September 29, 2007

Should Step It Up Give It Up?

Where are all the planned Step It Up events for A National Day of Climate Action on November 3rd? With 35 days left it looks like there are less than 200 events planned. I say looks like because the grand total is no longer available for viewing. I guess the events were adding up so slowly that it was thought that showing the total would lead to discouragement. It seems almost hard to believe but back in February with 45 days left before A National Day of Climate Action on April 14th there were already 753 planned events listed on the Step It Up website. Looking back, I guess that was the Golden Age of Step It Up.

Maybe the Civil Rights movement is not a good model for a global warming movement. Maybe we really don’t need a global warming movement. Maybe just doing what needs to be done without gathering in large groups for demonstrations is the way to go. In any case, I plan to attend one or two Step It Up events but it seems like it won’t be the same as those heady days last spring when tens of thousands of people gathered at over 1,400 events to ask Congress to reduce greenhouse gas emissions by 80% by 2050. How did Bill Mckibben pull that off? He is probably wondering himself.

Thursday, September 27, 2007

Another Geoengineering Scheme—Floating Pipes

Every few months it seems a new geoengineering scheme to save us from global warming hits the news. The lastest one is from a very improbable source, British scientist James Lovelock who gained fame for his Gaia theory of a self-regulating Earth. Lovelock teamed up with another British scientist, Chris Rapley, to write an article in the journal Nature to propose a geoengineering scheme to enhance the take up of carbon dioxide by tropical waters. The scheme involves placing huge numbers of floating vertical pipes in the water in order to draw cold water up to the surface by downward movement from ocean swells. Since cold water is richer in life than warm water more carbon dioxide would be taken up, at least in theory. An article on the BBC News website points out that Lovelock and Rapley were not aware that an American company named Atmocean has already begun testing such a scheme. Long pipes placed in water allow cold water in at the bottom and have a valve to block the downward flow of cold water during upward motion.

Why is Lovelock jumping on the geoengineering bandwagon? He told BBC News that “We are taking the very strong line that we are not going to save the planet by the regular approaches like the Kyoto Protocol or renewable energy. What we have to do is to look at it in a systems sense, or a Gaian sense, and see if it’s curable by direct action.”

It is hard to argue with Lovelock’s pessimism about our ability to reduce greenhouse gas emissions fast enough. If this were a baseball game the home team would be down by 10 runs in the bottom of the ninth with 2 out. However, it is also very difficult to embrace any geoengineering scheme. Whether it is mirrors in space, microscopic sulphate particles placed in the atmosphere, stimulation of plankton growth, or whatever, one has to wonder whether these people really know what will be the results of what they are doing. One thing at least is clear. We should have acted on this problem 20 years ago. It really may be too late.

Saturday, September 22, 2007

Is Step It Up Losing Momentum?

To keep the momentum of their global warming movement going following the success of the first day of Step It Up events on April 14th author Bill McKibben and company have called for another day of Step It Up events on November 3rd. Unfortunately it appears there is less enthusiasm for this second go-around. Forty-five days before April 14th there were only two states, North Dakota and South Dakota, in which events were not planned. Well here we are only 42 days before November 3rd and the list of states without events planned is rather long. The list includes Nevada, Wyoming, Colorado, New Mexico, North Dakota, Kansas, Nebraska, Arkansas, Mississippi, and Alabama. Not only does there appear to be a lack of enthusiasm among event planners, but politicians do not seem to be accepting invitations to attend the events. Among 221 members of Congress who have been invited only two have to this date accepted. Among 14 presidential candidates who have been invited none have so far said they would go. Since I think it fair to say that momentum for fighting global warming is not on the wane in the US and if anything it has picked up, it is likely that the reduced enthusiasm for Step It Up events has more to do with Step It Up than the issue per se. Perhaps the problem is that the novelty of showing up at global warming protest events has worn off. We’ve done that, now what? Perhaps people have concluded that the first round of Step It Up events had no effect on politicians so why go through all the bother of doing it again. In any case, if this truly is a political movement it appears to be somewhat in trouble.

Tuesday, September 18, 2007

IPCC Climate Impact Report Filled with Gloom and Doom

At a meeting held in London to launch the complete report on climate change impacts by the Intergovernmental Panel on Climate Change (IPCC) British climate scientist Martin Perry, who co-chairs the working group that wrote the report, had some particularly pessimistic comments to make. According to an article in the Guardian he said the following:

“We are all used to talking about these impacts coming in the lifetimes of our children and grandchildren. Now we know that it’s us.”

“…we cannot mitigate out of this problem. We now have a choice between a future with a damaged world or a severely damaged world.”

“…it’s evident from the work of the IPCC that even with a maximum of a 2C we’re not going to avoid some major impacts at the regional level.”

Perry doesn’t believe that there is much chance of holding global mean temperature to a 2C increase. According to climate scientists like James Hansen going beyond 2C could push us beyond some climate tipping points that might make global warming unstoppable and eventually lead to a world that we would find unrecognizable.

Overall the picture appears to be pretty bleak and with every passing year it just seems to get bleaker.

Sunday, September 09, 2007

Is Fred Thompson Going After the Sun is the Cause of Global Warming Vote?

Now that Fred Thompson has declared that he is running for president a statement of his on global warming that he wrote on the ABC Radio Networks website back in April is receiving a lot of attention. Here is the statement:

Some people think that our planet is suffering from a fever. Now scientists are telling us that Mars is experiencing its own planetary warming: Martian warming. It seems scientists have noticed recently that quite a few planets in our solar system seem to be heating up a bit, including Pluto. NASA says the Martian South Pole's ice cap has been shrinking for three summers in a row. Maybe Mars got its fever from earth. If so, I guess Jupiter's caught the same cold, because it's warming up too, like Pluto. This has led some people, not necessarily scientists, to wonder if Mars and Jupiter, non-signatories to the Kyoto Treaty, are actually inhabited by alien SUV-driving industrialists who run their air-conditioning at 60 degrees and refuse to recycle. Silly, I know, but I wonder what all those planets, dwarf planets and moons in our SOLAR system have in common. Hmmmm. SOLAR system. Hmmmm. Solar? I wonder. Nah, I guess we shouldn't even be talking about this. The science is absolutely decided. There's a consensus. Ask Galileo.

The statement seems to suggest that Thompson is a global warming denier blaming increased solar activity for the rise in mean global temperature on Earth rather than greenhouse gases from human sources. Perhaps he is? On the other hand there are huge numbers of American voters who believe that increased solar activity is the culprit even though scientists have found not a shred of evidence to support this notion. If I had to make a guess I think that Thompson believes that “the science is absolutely decided” and “there’s a consensus.” The other stuff is probably to get votes by sticking it to liberals. His comments are amusing but for those of us who think that that facts presented in peer-reviewed scientific journals carry more weight than flip remarks by conservative politicians and that taking quick action to reduce greenhouse gas emissions is absolutely urgent there is more reason to laugh at Thompson rather than with him.

Saturday, September 08, 2007

Book on Climate Tipping Points Makes the Point

For those who still don't feel a sense of urgency to take action when climate scientists such as James Hansen from NASA warn us that if he don’t start reducing greenhouse gas emissions very soon we will pass climate tipping points that will propel us into disaster it might be a good idea to read With Speed and Violence: Why Scientists Fear Tipping Points in Climate Change by Fred Pearce, a former editor at New Scientist. If this book has a clear message it is “don’t mess with Mother Nature on a global scale.” The book of course will be lost on those souls who truly believe that global warming is a left wing conspiracy to take over the world via United Nations carbon police, but for all others this book is one more reality check as it is chocked full of possible ways that small changes can be rapidly amplified by various positive feedback climate mechanisms to result in the climate flipping from one state to another. The science seems clear enough, but the big question that remains is will we soon reach the tipping point for meaningful action. There are no answers to that in Pearce's book.

Saturday, August 25, 2007

Is a 3,000 Square Foot House a McMansion?

Michigan Democrat John Dingell, chairman of the House Energy and Commerce Committee and well known thorn in the side of environmentalists for blocking legislation to raise fuel efficiency standards for cars, is drafting a bill which would eliminate the tax deduction on mortgage interest for a house larger than 3,000 square feet. Dingell is quoted in the Washington Post as saying:

remove the mortgage interest deduction on McMansions -- homes over 3,000 square feet.

There probably would be a lot of support for removing this tax deduction for McMansions but does a 3,000 square foot really classify as a McMansion? While there is no agreed on definition, a house of 3,000 square feet seems a bit small to make the grade. In a post on this blog that I wrote earlier this month it was noted that nationally known land use law expert John Nolon from Pace University Law School uses the definition of 6,000 to 8,000 feet. He was quoted in the Guardian as saying that:

A 6,000 sq ft-8,000 sq ft house is a climate change disaster. If the country doesn't rein in the construction of these mansions the message to individuals is that they're encouraged to follow their urges. The phenomenon with McMansions is similar to that with SUVs: they express a certain sort of success, they're available and they're fun.

Nolon clearly is talking about very large houses when he uses the term McMansions. Dingell however is including houses that are only slightly larger than the average size new house. Why is he even using the term McMansion?

Perhaps Dingell is trying to appear green while proposing legislation which has no chance of passing. If he used Nolon’s definition and made the cutoff at 6,000 square feet that might be hard for the real estate and developer lobbies to defeat. The Washington Post article says that realtors and home builders are already up in arms about Dingell’s proposal. They probably won’t be the only ones.

Dingell is the chairman of an extremely important committee when it comes to the issue of global warming. We can only hope that he sincerely is trying to reduce greenhouse gas emissions and not just trying make it look like that is his goal.

Wednesday, August 22, 2007

Nothing Funny About Belching Livestock

It is not surprising that many people find it hard to take seriously the claims that methane expelled by cows can be a threat to the planet. It seems more like gross-out humor than serious climate science. Particularly since many people believe that the methane comes out at the end of the digestive tract as in humans. Actually most of this methane is expelled by belching.

According to a recent article in The Christian Science Monitor cows burp about once every 40 seconds. Their digestive processes yield as much as 100 gallons a day of methane and much of it is released through belching. Multiply that by all the cows in the world and you can be begin to see why this has no relationship to toilet humor. Considering that methane is a much more powerful greenhouse gas than carbon dioxide with regard to heat trapping (although it does not last nearly as long in the atmosphere) it is clear that this is very serious business.

To make this subject even more grim cows are not the only type of livestock that burp methane. For example, sheep are also part of this problem. A reporter from a Western Australian radio station discovered that in her part of the world this is particularly true because of the high salinity which results in the sheep eating bush that generates lots of burping.

Kay Balatero recently discussed the issue of belching cows on Gristmill blog and noted that scientists are looking for ways to change the diet of livestock to cut down on the belching. She finds herself doubting the wisdom of this effort:

But I'm somewhat skeptical about this dietary tampering; the idea of manipulating cow diets even further than we already have is a little disconcerting. We've seen corn-fed CAFO [confined animal feeding operations] cows become more susceptible to disease as a direct result of eliminating their natural diet of grass, leading to overuse of antibiotics by the beef industry. Would it be better to leave well enough alone, and simply consume less (sustainably raised) beef?

In theory, the problem could be solved by humans becoming vegans in vast numbers. Who needs billions of livestock if we no longer eat beef or lamb or consume dairy products such as milk, cheese, ice cream, and yogurt. The chance of this happening seems to be zero. If civilization is going down, it hardly seems likely that people would give up such perceived pleasures as eating a choice cut of grilled steak or a juicy hamburger from the barbecue during the descent.

Saturday, August 18, 2007

Does DiCaprio’s Lifestyle Matter?

Most humans don’t fly. Among those who do most do not fly in their own private jets. But Leonardo DiCaprio does fly in his own private jet and since he is a celebrity calling for action against global warming this really bothers some people. It really bothers Glenn Barry who runs the climate change and global warming portal Climate Ark. It bothers Barry so much that he has issued an action alert to :

Let Leo know that the battle to stop the growth in aviation's greenhouse gas emission is one the most important environmental battles ever that requires his personal example. To be a credible messenger of global ecological sustainability Leonardo must both walk the walk and talk the talk. Let him know you will see his movie if he swears off private jets.

On other extreme, David Roberts blogging on Huffington Post has a simple reaction to all this agitation over how DiCaprio travels. Roberts says “eh.” Roberts explains his “who cares” attitude by saying:

I care about global warming. I don't think celebrity behavior is going to affect the issue one way or the other…

Whether or not celebrities matter in the fight against global warming it is a sure bet that we are going to keep hearing from celebrities on this issue. Celebrities are so much part of the media that is it almost impossible to imagine the media without them. Probably the mayor of Seattle, Greg Nickels, who originated the U.S. Mayors’ Climate Protection Agreement which has now been signed by over 600 mayors and town supervisors has done more to combat global warming than all of the celebrities combined if you leave out Al Gore but outside of the Seattle area you are unlikely to see him show up in the media. The value of the media to the fight against global warming is largely to show pictures of the effects of climate change such as melting glaciers, stranded polar bears, etc. When it comes to taking action against global warming the media will focus on celebrities which is not where the action is.

Sunday, August 12, 2007

What’s the Deal with Dingell?

A debate among environmentalists is raging over whether the proposals by Michigan Democrat John Dingell, chairman of the House Energy and Commerce Committee, represent a sincere effort to fight global warming or a sneaky way to prevent meaningful legislation on raising CAFE standards for cars. On Gristmill blog, David Roberts is defending Dingell while Joseph Romm accuses Dingell of using the “poison pill” strategy to undermine legislative efforts to raise CAFE standards.

Trying to decipher Dingell’s motives becomes even more complicated when you realize that only last December when asked whether a scientific consensus on global warming has been established Dingell replied:

"This country, this world, the [human] race of which you and I are a part, is great at having consensuses that are in great error. And so I want to get the scientific facts, and find out what the situation is, and find out what is the cure, and find out what is the cure that is acceptable to the country that I represent and serve."

So here is someone who only recently was wondering whether humans are to blame for global warming and now has proposed the following strong measures as listed by David Roberts:

A carbon tax of up to $100 per ton.

A gas tax of $0.50 a gallon.

A cap-and-trade system.

Ending the mortgage tax deduction for "McMansions" over 3,000 sq. feet.

All with the goal of reducing GHG emissions 60-80% by 2050.

Clearly there would be great political opposition in the United States to at least three of these proposals, the carbon tax, gas tax, and end of the mortgage deduction for many people. And coming from someone who only about eight months ago appeared to have been in the global warming skeptics camp has to raise doubts over the sincerity of these proposals. However, after holding hearings on global warming and energy maybe Dingell has had an epiphany and has decided that he is the one to put forth truly strong legislation, sort of like Richard Nixon, who made his reputation by being an anticommunist deciding that he would be the one to open the door to communist China.

Even if Dingell’s motives can not be unequivocally determined, his proposals seem to provide hope that the debate in the US Congress has at last shifted from whether human sources are the cause of global warming to what to do about it.

Saturday, August 04, 2007

Folly of Building McMansions

Although people buying SUVs have taken most of the heat for making foolish purchases while the global warming crisis has taken on alarming proportions the folly of those buying McMansions is now starting to gain attention. An article in the Guardian quotes John Nolon, a leading land use law expert from Pace University Law School, as saying:

A 6,000 sq ft-8,000 sq ft house is a climate change disaster. If the country doesn't rein in the construction of these mansions the message to individuals is that they're encouraged to follow their urges. The phenomenon with McMansions is similar to that with SUVs: they express a certain sort of success, they're available and they're fun. If legislative folks don't take some kind of position on mansionisation, it will go unchecked.


Compared with modest size houses of perhaps 2,000 square feet McMansions of 6,000 to 8,000 square feet take more energy to heat in the winter and cool in the summer. Also, there is a lot more space to light and more room for all those energy using appliances such as TVs and computers. With about half of electricity being generated with coal burning in the United States it is not hard to see why McMansion building is another driver of global warming.

The article points out that there are places that are starting to take action to halt this madness. For example, Boulder, Colorado, the first city in the US with a carbon tax, has imposed a cap on the size of new house after the average size new house grew to over 6,000 square feet.

The excesses in American society seem endless. Limiting house size might be a good place to start attacking the bigger is better problem. Bigger isn't better because our planet isn't getting any larger.

Saturday, July 28, 2007

Will Greener Planes Bring Meaner Conditions Around Airports?

Generally reducing greenhouse gas emissions is associated with providing other environmental benefits but in a Washington Post article the director of research and technology at Rolls-Royce, Richard J. Parker, says that focusing on reducing carbon dioxide emissions by engineers might result in new engines that are noisier or produce more of the environmentally troublesome nitrogen oxides than present engines. In the words of Parker:

"Will people living near airports win out, or will the planet as a whole win out?"

Not a great choice. Of course, there is always the option of flying less but this also has negative consequences, particularly for people in less developed areas who depend on hoards of tourists booking their hotels to survive economically. It seems that choices have to be made and everyone can’t win.

Friday, July 20, 2007

Al Gore: a Help or Hindrance?

It is almost taken for granted that Al Gore has made an immeasurable contribution to the cause of fighting global warming, nearly single-handedly it sometimes seems moving the issue from the green edges of society into the mainstream. Yet, on Earth Meanders blog Glen Barry strongly criticizes Gore’s strategy when he says:

I am concerned with the direction Al Gore, as the self-appointed climate movement leader, is taking -- emphasizing celebrity and inadequate small personal responses, to the detriment of grassroots inspired major cultural change necessary to save the Earth.

Perhaps a bigger problem of Gore leading the charge is that he is a polarizing figure. Millions of conservatives don’t like him, Bill, or Hillary. Although he says this should not be a partisan issue it is hard to see how it can not be if he is the one out in front. There must be many people who won’t listen to his recommendations simply because he is Al Gore.


Despite all the problems with the second half of the Clinton-Gore ticket being seen at the leader in the fight to stop global warming and all the celebrities he has enlisted in the cause it still must be acknowledged that he is capable of reaching people in the mainstream with his message that grassroots environmentalists have no way of reaching. These are probably people who tend to closely follow the world of celebrities in television, film, music, sports, etc but do not pay much attention to “serious” political issues. Gore has somehow bridged the gap. But I guess it is Barry’s point that in doing so there is a trade off in that the suggested changes can not be too radical, even it that is what it takes to deal with the problem which Barry and many others have concluded.

Sunday, July 15, 2007

Southern Utilities Cling to Coal Burning

We know historically that the South has been extremely slow to change and in fact has been so slow that it has been forced to change when it came to slavery and segregation. It appears that this pattern of resisting change is continuing when it comes to switching from coal burning to renewable energy sources. According to an article from the Associated Press, whereas nearly half of the states now have adopted mandates requiring electric utilities to produce a specific percentage of electricity from renewables, Texas is the only state in the South with such a mandate. Moreover, half of the votes in the Senate to defeat federal legislation to require 15% of electricity to come from renewables were cast by senators from southern states.

A good appreciation of the coal-burning situation in the South can be gained by watching the film Kilowatt Ours. The film shows how burning coal in the South has resulted in the Great Smokey Mountain National Park often being filled with haze instead of usually offering crystal clear views of distant mountains as in the past and how the need for coal in the South, which uses more coal than the national average for generating electricity, leads to the disgraceful practice of mountaintop mining in West Virginia.

The AP article says that the US Environmental Protection Agency ranks three southern utilities—Southern Co., Duke Energy, and the Tennessee Valley Authority—among the top four greenhouse gas emitting utilities in the US. The number one emitter, Southern Co., doesn’t even appear to admit that emissions of carbon dioxide are related to global warming based on statements such as the following by senior executive Chris Hobson who was quoted in the article as saying:

"If we are irrational about it and we cripple our economy or cripple our industry and we realize carbon dioxide wasn't the source of the problem, then we'll be real regretful."

Maybe someone at Southern Co. should read the latest reports from the Intergovernmental Panel on Climate Change. If they did they would learn that carbon dioxide and other greenhouse gases emitted from human sources are the source of the problem. Scientists will never say they are 100% sure of a conclusion but this statement was about as close as they will ever get. The Old South may be mostly gone but the New South needs to transform into the Green South.

Saturday, July 14, 2007

More Energy Efficient Light Bulbs but not TVs

The gains in energy efficiency being made by replacing the familiar incandescent light bulbs with compact fluorescents that use much less electricity are probably being wiped out and then some by replacement of cathode ray TVs with large screen plasma or LCD TVs which use far more electricity. Add in all the new gizmos with rechargeable batteries and it is hard to see how we can carry out Al Gore’s pledge item 3 “To fight for a moratorium on the construction of any new generating facility that burns coal without the capacity to safely trap and store the CO2” without leaving ourselves in the dark. Since it is very expensive to trap CO2 and the technology for storing it safely is not yet proven and may never be the pledge may really mean no new coal plants period. All the more reason to stress energy efficiency.

The British seem to be more worried about this problem than we are here in the US. A recent article in the Guardian on report by the Energy Saving Trust (EST) said the following:

The proliferation of home entertainment equipment such as flat screen TVs, digital radios and laptops in homes means that by 2020 this type of technology will account for 45% of domestic electricity use.

The running cost of today's plasma and LCD screen TVs can be as much as three times that of traditional cathode ray tube sets. The largest domestic plasma TV on the market - with a massive 103 in screen - has a power rating of 1.5kw, which means watching it uses as much energy as leaving 25 light bulbs on.

This means 14 power stations will be required just to power equipment used for communication and entertainment, the EST said in its report the Ampere Strikes Back.

Al Gore has done a great job in educating the public about the threat of global warming but he has yet to make the same impact with regard to educating us about energy efficiency. Should he tell us to stop buying all these large screen TVs? So far I don’t think he has. Where is the US version of the Ampere Strikes Back? All we seem to have in America is millions of people buying giant TVs to watch the Empire Strikes Back, etc. At the rate we are going what we are going to have is the climate striking back.

Thursday, July 12, 2007

The Carbon Dioxide Emissions Per Capita Problem

If there is any issue that appears to be an insurmountable obstacle to reducing greenhouse gas emissions globally it appears to be the issue surrounding per capita emissions of carbon dioxide. Spokesmen for China, which has recently been crowned as the number one greenhouse gas polluter in the world, displacing the long-time reigning champion the United States of America, are quick to point out that on a per capita basis their emissions are far below those of the US, which is correct since each of us in America on average is responsible for more than four times the amount of emissions than those who live in China.

If global emissions of carbon dioxide are now about 30 billion tons a year, then on average the 6.5 billion inhabitants of our planet are responsible for about 4.5 tons each. With the average American responsible for emitting about 20 tons annually we are way above the average. The climate scientists say that to have a decent chance of avoiding the most serious consequences of global warming we have to reduce our emissions globally by about 80% by 2050. So the 30 billion tons a year would have to fall to roughly 6 billion tons a year. It is predicted that there will be 9 billion people on Earth by 2050 so on average they would have to be responsible for emitting only about 0.7 tons of carbon dioxide a year. Hopefully the math here is wrong (it probably is) because that seems like a very difficult goal to achieve, particularly in face the demands for equality in emissions per capita between the developed countries and developing countries.

Monday, July 09, 2007

Live Earth in Retrospect

It is hard to know what to make of the Live Earth concerts on Saturday. It seemed like an odd mixture of environmental activism, hedonism, and consumerism. Can this type of strange brew really lead to radical change? How ironic was it that the webcast of the concerts was sponsored by General Motors, the same company that has been leading the fight against higher fuel efficiency standards for cars over more than a decade. Before you could watch the concerts online you had to see a Chevy commercial. At least the webcast wasn’t sponsored by ExxonMobil, the leading financial backers of misinformation about global warming. But is GM really that far behind in being one of the global warming bad boys? Then there is the issue of pop and rock stars who unfairly or not could be considered as icons for consumerism. Private jets, yachts, numerous homes, etc. When it comes to making carbon footprints many of them are Godzillas. Add to that their international tours and they are responsible for pumping out a heck of a lot of carbon.

There didn’t seem to any songs that compared to the 60s classics such as Blowin’ in the Wind, The Times They Are a-Changin’, I Ain’t Marching Anymore, etc. I agree with Al Gore that music can reach people in ways that are unique but the music at the concerts came up short with regard to delivering any message.

It was hard to understand why there was no concert in India. The big three who are not going along in trying cut greenhouse gas emissions are the US, China, and India. All three will have undertake all out efforts to cut emissions if there is any hope of limiting global warming before climate change reaches catastrophic proportions based on what the leading climatologists are saying.

Of course Live Earth is only one small part of the overall efforts to address climate change. Most of what is happening does not make headlines. Perhaps the real hope for change lies in the less glitzy stuff that is going on.