Natural Gas, Fuel of the Future or Methane Menace?

by John Brian Shannon
Originally published at johnbrianshannon.com

While Natural Gas has been touted as the ‘bridge fuel towards a clean energy future‘ three major drawbacks have caused concern in recent months. The first is, of course, the negatives surrounding natural gas fracking which has been well covered by the media and I’m not going to repeat all that has been said on that account.

Rather, I will concentrate of the largely unreported issues of massive methane leaks escaping natural gas well heads, called ‘fugitive emissions’ and the practice of ‘flaring’ at natural gas wells.

Over a 100-year timeframe, methane is about 35 times as potent as a climate change-driving greenhouse gas than carbon dioxide, and over 20 years, it’s 84 times more potent.

Natural gas drilling could emit up to 1,000 times the methane previously thought, possibly significantly increasing the greenhouse gas footprint of the production of natural gas, the study shows. — Climate Central

There’s no doubt that natural gas has the capacity to be a cleaner fuel than coal and the various fuels that can be obtained from crude oil such as gasoline and diesel. But it isn’t.

So, what’s the problem?

The problem is two-fold. Problem number one is methane leakage at natural gas wells, and problem number two is the ongoing practice of natural gas flaring at well heads, distribution centres and gas processing facilities.

Methane emissions from improperly sealed natural gas wellheads, combined with natural gas flaring near well heads, dramatically lowers the advantage of ‘clean’ natural gas as compared to ‘dirty’ coal and crude oil.

Natural gas as a means to produce electricity is being hailed by the Intergovernmental Panel on Climate Change as the fuel that can act as a “bridge” between carbon-heavy coal and zero-carbon renewables, helping to reduce humans’ impact on the climate. 

The idea is that burning natural gas involves fewer greenhouse gas emissions than burning coal. The IPCC in its Working Group III report says natural gas as a bridge fuel will only be effective if few gases escape into the atmosphere during natural gas production and distribution. —

Natural gas has the potential to be 1 million times cleaner than coal or crude oil based fuels if gas industry best practices are employed. But the present situation is so bad that (low carbon) natural gas airborne emissions are almost on par with (high carbon) coal and crude oil airborne emissions — once you factor everything into the equation.

A typical natural gas drilling rig. Credit: EPA

Why not properly seal the well heads?

Cost. Many gas drilling and extraction companies would like to hermetically seal their well heads to lower the death and injury rates of their workers due to raw gas exposure, to enhance overall gas recovery, decrease the waste of an incredibly useful fuel — and to lower emission levels thereby enhancing the reputation of gas as a 21st-century clean energy solution.

The reason companies won’t spend the extra ($100,000 on average) per well head (to fully encase the pipe in concrete slurry) is that shareholders don’t want lowered dividends. Nor do companies want to become less competitive as compared to the ones that don’t seal their well heads. To put this in some kind of perspective within the gas industry, some gas drilling/extraction operators have hundreds of well heads, while others only have tens of well heads.

At the end of it all, it turns out that improperly sealed natural gas wells and natural gas flaring are negating almost all of the benefits of super clean, natural gas — as compared to coal and crude oil sourced fuels.

Feel free to facepalm now.

Why not stop flaring at natural gas well heads?

Every natural gas well head must deal with pressure variables and with the normally-occurring contaminants found in natural gas. This is done onsite in a process known as flaring which is an incredibly toxic way of dealing with the problem of temporary pressure spikes and natural gas contaminants.

Flares burn off excess methane at an oil and gas field. Credit: Pacific Northwest National Laboratory

Contaminants in raw natural gas

Raw natural gas typically consists primarily of methane (CH4), the shortest and lightest hydrocarbon molecule. It also contains varying amounts of:

The raw natural gas must be purified to meet the quality standards specified by the major pipeline transmission and distribution companies. Those quality standards vary from pipeline to pipeline and are usually a function of a pipeline system’s design and the markets that it serves. In general, the standards specify that the natural gas:

  • Be within a specific range of heating value (caloric value). For example, in the United States, it should be about 1035 ± 5% BTU per cubic foot of gas at 1 atmosphere and 60°F (41 MJ ± 5% per cubic metre of gas at 1 atmosphere and 15.6°C).
  • Be delivered at or above a specified hydrocarbon dew point temperature (below which some of the hydrocarbons in the gas might condense at pipeline pressure forming liquid slugs that could damage the pipeline).
  • Dew-point adjustment serves the reduction of the concentration of water and heavy hydrocarbons in natural gas to such an extent that no condensation occurs during the ensuing transport in the pipelines
  • Be free of particulate solids and liquid water to prevent erosion, corrosion or other damage to the pipeline.
  • Be dehydrated of water vapor sufficiently to prevent the formation of methane hydrates within the gas processing plant or subsequently within the sales gas transmission pipeline. A typical water content specification in the U.S. is that gas must contain no more than seven pounds of water per million standard cubic feet (MMSCF) of gas.
  • Contain no more than trace amounts of components such as hydrogen sulfide, carbon dioxide, mercaptans, and nitrogen. The most common specification for hydrogen sulfide content is 0.25 grain H2S per 100 cubic feet of gas, or approximately 4 ppm. Specifications for CO2 typically limit the content to no more than two or three percent.Maintain mercury at less than detectable limits (approximately 0.001 ppb by volume) primarily to avoid damaging equipment in the gas processing plant or the pipeline transmission system from mercury amalgamation and embrittlement of aluminum and other metals — (from Wikipedia)

All of these contaminants are burned off during flaring. The problem is that it is a very incomplete burning cycle, one that is millions of times dirtier than the exhaust that exits your car tailpipe. Indeed historically, there have been many cases where people — or even large numbers of cattle or other livestock — living downwind of flaring stacks have died from breathing the partially burned gas.

Legislation is the obvious solution, but how?

If one state legislates against fugitive emissions from well heads and against the practice of natural gas flaring — all of the gas wells in that state will simply be capped and all gas-related economic and energy activity will cease within that state. That’s how competitive the gas industry is.

In North America for example, if the United States legislates against fugitive emissions and natural gas flaring, the flight of capital and natural gas companies to Canada would result in a huge economic boom for Canada and a dramatic loss for the United States. The reverse is also true.

The Only Solution is a Continental Solution

Therefore, there can only be one solution to the problem — and that is a continental solution to fugitive emissions and to natural gas flaring — whether this is done under the auspices of a Free Trade Agreement or as a standalone convention, it is high-time for such legislation to be passed.

It doesn’t need to be a policy masterpiece nor does it need to be technically perfect. It needs to stipulate one uniform standard that applies to all natural gas drilling/extraction/refining and transportation systems.

Above all else, it needs to be done. Now.

Seawater + Halophyte Crops to ‘Green’ World’s Deserts

byJohn Brian Shannon
Originally published at johnbrianshannon.com

What could be better than creating rich cropland out of the world’s desert regions?

It’s a tempting idea. Some 33% of the world’s landmass is covered with desert landscape and 40,000 miles of it is located near oceans, having both abundant sunshine and unlimited saltwater within reasonable distance. In fact, prototype halophyte farming projects have already shown early signs of success.

NASA - Earth with Global Deserts
NASA – Earth with Global Deserts

Halophytes are those crops which are salt-tolerant and can survive the blistering heat of the world’s deserts. Many of the crops we presently grow have salt-resistant cousins — all they need is trenches or pipelines to deliver the water inland from the sea in order to thrive. Halophyte crops negate the need to remove the high salt content of ocean water, which in itself, is a very costly proposition with the average desalination plant costing many millions of dollars. As halophyte farms become established they can also improve growing conditions for non-halophyte plants.

Unlike blasting with explosives in rocky areas to create water supply trenches or canals (which is expensive and time-consuming) most deserts are sand, which means all that is required to begin creating usable farmland is minor startup funding, an excavator, a field plan, seeds, and labourers familiar with farming techniques.

Creating Wealth out of Sand and Seawater

Some of the poorest places on the planet are also ‘rich’ in deserts and are located near plentiful salt water resources, making them suitable candidates for halophyte farming. Economic benefits for poor countries are stable growth, lower unemployment, better balance-of-trade and less reliance on foreign food aid programmes. If you can grow your own food at low cost, why buy it from other countries?

Some informative (YouTube) halophyte farming videos are available below:

Greening Eritrea Part I (Martin Sheen narrates the early days of Eritrea’s very successful halophyte farming and inland seafood production)

Greening Eritrea Part II

Seawater irrigation agriculture projects for deserts (completely rainless regions)

2012 Yuma, Arizona Salicornia planting

Sahara Forest Project: From vision to reality

University of Phoenix Seawater Farming Overview

Growing Potatoes using Saltwater Farming Techniques in the Netherlands

Other successful examples exist in other coastal regions around the world

Helping to mitigate global sea level rises due to climate change, creating powerful economic zones out of desert, seawater and labour, lowering unemployment in poverty-stricken nations, removing carbon from the atmosphere and returning it to the soil where it belongs helping plants to thrive — while dramatically increasing crop and seafood production are all benefits of using halophyte farming techniques in coastal desert regions of the world.

The first 25,000 miles of coastal desert out of a grand total of 40,000 miles of coastal desert globally can be converted to this kind of farming simply by showing up and using existing and simple halophyte farming methods and seed varieties. The other 15,000 miles of coastal desert regions could be viewed as Stage II of this process after the best candidate areas become fully cultivated, as these secondary regions may require more capital investment for conversion due to their somewhat more inland locations.

Huge opportunity awaits early investors in this rediscovered agricultural market. Cheap land, free ocean water, low cost seeds and local labour, and a reputation as exemplary businesspeople who solve local problems, add value and employment to poverty-stricken regions and lead growing nations forward, are in store for seawater/halophyte farming owner/operators and investors.

Further Reading

Retiring old, leaky, pipelines may be our best environmental bet

by John Brian Shannon
Originally published on JBS News

Which are the most dangerous pipelines?

It’s an easy answer. Old pipelines.

Oil companies don’t advertise the first 15 years as the safest pipeline years. All bets are off after 30 years, and almost every pipeline spill in North America shows a pipeline well past 30 years of age.

One of the biggest problems contributing to leaks and ruptures is pretty simple: pipelines are getting older. More than half of the nation’s pipelines are at least 50 years old. — How Safe are America’s 2.5 Million Miles of Pipelines? published by propbulica.org

The average age of North America’s petroleum pipelines is getting older all the time (as there are few new pipelines are being built) so the existing pipeline network continues to age. But some pipelines built 30+years ago are so fragile from a maintenance perspective that they shouldn’t be allowed to transport toxic crude oil, dilbit, petroleum distillate, bunker fuel, or coal oil.

Forty-one per cent of U.S. oil pipe was built in the 1950s and 1960s; another 15 per cent of the country’s 281,000-kilometre network was built before then. In Alberta, 40 per cent of pipe was built before 1990. — Globe and Mail

How long does it take to ‘pay off’ a pipeline investment?

Depending upon the terrain a pipeline is traversing, pipelines can cost anywhere from thousands of dollars per mile up to millions of dollars per mile, especially when laying them through populated areas or under or above rivers and lakes. It can cost billions of dollars to build one pipeline.

Of course, if you want to move petroleum through a pipeline to your oil refinery, you are going to pay a significant dollar amount to transport that oil across the continent. Each oil refinery can refine up to one million barrels of oil per week. The oil refinery has only so much storage available to it on-site so it usually ships the refined product out ASAP via another pipeline system to a rail network, or direct to the customer via yet another pipeline.

U.S. petroleum pipeline map
U.S pipeline map. Toxic liquids show in red colour, while natural gas shows in blue. Image by propublica.org

After 15 years of operation, pipeline companies finally ‘break-even’ on their original investment

“Now we can finally make some money!”

Pipelines are quite costly to gain approval for from national and local regulators, to buy or lease the land, to design, build and operate. It also is the case that oil companies pay millions of dollars per year to the pipeline companies to move their liquids around. It is an annual business of billions, not millions.

We all need to make money and pass the ‘break-even’ point in our investments

We all want and need to make a return on investment (ROI) which is the reason we start businesses in the first place. But, just at the point that a pipeline has finally broken-even investment wise for its investor group, it is beginning to seep oil at the gaskets (called ‘weeping’) and also leak oil at the pump stations, and at areas where the pipeline has been disturbed by ground movement due to frost, ground settling, or earthquake movements. Some of this weeping can continue on for many years before anyone visits that remote area, which may not have been visited since the construction of the pipeline. Running toxic liquids across a continent safely, but economically, are mutually exclusive matters.

But without oil pipelines, our economy would grind to a halt within 90 days

Without pipelines, only coastal cities would be able to receive gasoline, diesel, kerosene, or other liquids used for transportation fuels, via international shipping lines. Other users of petroleum, such as chemical, plastics, and pharma companies would need to relocate to coastal areas to receive their petroleum ingredients.

It is a case of need vs. greed

  1. “We need the oil, keep it coming,” say consumers.
  2. “We need to keep our environment clean,” say a rapidly growing number of citizens/consumers.
  3. “We need to recoup our pipeline investment and make a profit in order to stay in business and we do it all for groups #1 and #2,” say the pipeline companies.

If ever there were a situation calling out for compromise, this has got to be it.

But the simple fact is, old pipelines weep plenty of oil and eventually burst, releasing tons of toxic liquids into the environment. New pipe does not burst or leak — unless it was to be hit by a derailed train, a transport truck, or an airplane crash — all of which are very unlikely events.

A mechanism for safe petroleum transport that works for all

Add a mile of new pipeline | Remove a mile of old pipeline

There are many pipeline systems that have been transporting petroleum for 30+ years in North America. These old pipes weep oil everyday. You might not see it, some of them are underground, or in wilderness areas where pipelines often traverse, or are just not accessible for viewing by the pubic or inspectors for that matter.

Some pipelines in North America are 45+ years old and they are big leakers — and just like purchasing carbon credits — one pipeline company could sell their RRR credits to another company that is ready to build a new pipeline.

It may seem odd for you to hear this solution from a renewable energy proponent; We should build more new pipelines!

What? Yes, but only if we completely remove 30+ year old pipelines on a mile-per-mile basis and remediate the soil and replant native species of plants along the historic route of the removed pipeline.

If pipeline company “A” wants to build a new pipeline, (such as Keystone II, for example) then government regulators should require that for every mile that they want to install new pipeline, the pipeline company is required to completely remove and remediate the soil and plant life, from whence an old pipeline has been removed.

This would help us to get rid of thousands of miles of old, leaking, and rusting pipelines that even the oil companies have forgotten about. They are environmental catastrophes just waiting to happen.

You can never completely empty a pipeline so they just sit there decade after decade weeping oil into the groundwater. Some old pipelines, although very leaky, are kept in place just in case of emergency so oil can be quickly diverted to the old pipeline for transport to a different junction in the system — and thereby still arrive at the oil refinery (and likely a day late and a few tens of barrels of oil short).

But that isn’t the best solution for the environment.

The best solution is easier approvals for newer and safer pipelines, contingent upon Retiring, Removing and Reclaiming (RRR) the land on the same total mileage of 30+ year old pipeline in the North American petroleum distribution network.

If Keystone II is 3500 miles of shiny new, high-tech, and state-ot-the-art pipeline, that’s great. It’s orders of magnitude less likely to leak, than 3500 miles of old pipeline.

All pipelines over 30 years old should be allowed to qualify for this removal/remediation programme. And the pipeline companies signing up for the Retire, Remove and Remediate (RRR) pipeline plan should receive tax incentives to assist in this regard. And, bonus, they can sell the land, once it is remediated.

Birth of a new industry

With the high prices of metals these days, oil and pipeline companies could find that passing the actual RRR work to another company could be the way to go. Even if the old pipe and pumps and pumphouses, etc, end up being sold for the scrap metal value, millions of tons of 30+ year old pipeline is sitting on the ground or just underground, waiting to be picked up and recycled.

Add in soil and plant remediation, and you have a whole new business model. A business where the workers could feel proud of the work they do!

“What do yo do for a living?”

Wouldn’t it be nice for an petroleum industry employee to be able to reply;

“I remove old, leaky pipelines, remediate the contaminated soil, replant the areas with native plants, and recycle millions of tons of old, leaky, pipeline metal.”

That has got to be the feelgood moment of the year for any oil company employee.

Not your typical oil company employee job description

Yet, with some executive-level decisions and with a common-sense regulatory framework, RRR could finally solve the problem of the many thousands of miles of dormant but still weeping pipelines — and spawn a whole new business model — while helping to protect our North American ecosystems that wildlife depend on.

The United Nations Climate Summit 2014 in video

by United Nations

Presented to world leaders at the 2014 United Nations Climate Summit in New York, this short inspirational film shows that climate change is solvable. We have the technology to harness nature sustainably for a clean, prosperous energy future, but only if we act now.

Watch the Video: “What’s Possible”

“Whats Possible” on TakePart.com

“What’s Possible” on YouTube

Narrated by Morgan Freeman

What’s Possible calls on the people of the world to insist leaders get on the path of a livable climate and future for humankind.

What’s Possible was created by director Louie Schwartzberg, writer Scott Z. Burns, Moving Art Studio, and Lyn Davis Lear and the Lear Family Foundation. It features the creative gifts of Freeman and composer Hans Zimmer.

Directed by Louie Schwartzberg Written by Scott Z. Burns Produced by Lyn Davis Lear Narrated by Morgan Freeman Music by Hans Zimmer Editor Craig Thomas Quinlan Additional Editor Alan Wain Post Production Supervisor Courtney Earlywine Assistant Editor Annie Wilkes Line Producer Elease Lui Post Production by Moving Art Visual Effects by 422 South Sound Design by Kent Gibson, Kirk Gaughan Assistant to Director Erin Richardson With footage generously donated by: BlackLight Films, Disneynature, Earth Trust Vision, Extreme Ice Survey, James Balog, Filmthropic, Moving Art, Oceanic Preservation Society, Perkins+Will, Planet Ocean, Courtesy of Hope Production,Momentum for Change, Courtesy of United Nations Other footage provided by: AP Archives, ClipCanvas, Corbis Motion, EarthUncut TV, Footage Search, Getty Images, Pond5, T3 Media Very Special Thanks to: Alan Horn, Dan Thomas, Duane Elgin, Jonathan Klein, RALLY, Scott James, Skoll Foundation, Larry Kopald, Lear Family Foundation, Mark Johnson, Michael Pitiot, Richard Wilson, Yann Arthus-Bertrand


Watch the Sequel: “A World of Solutions”

“A World of Solutions” on TakePart.com

“A World of Solutions” on YouTube

Narrated by Morgan Freeman

Climate News

TakePart has been closely covering climate change ever since our parent company produced An Inconvenient Truth back in 2006.

Learn more about climate change and take action at takepart.com/climate.

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Vertical Farming with Recycled Shipping Containers

by John Brian Shannon
Originally published at JohnBrianShannon.com

There are hundreds of thousands of used, high-quality metal shipping containers taking up acres of storage land in port cities all over the world.

Platoon, Kunsthalle - Berlin, Germany - 40 Shipping Container Cargotecture Building
Home in a Box constructed an indoor playground and rentable meeting space in Berlin from used shipping containers.

Some enterprising companies have taken to creating domestic living spaces, commercial buildings or storage lots out of the huge surplus of the used containers which tend to accumulate in the developed world as it is too expensive to ship them back to China, empty. (We buy their stuff, they don’t buy ours)

Anyway, there are hundreds of thousands of them scattered around the world and can be had for as little as $1500-$3600. apiece (in ‘as is’ condition)

Shipping containers are the perfect containment architecture for vertical gardens

Shipping containers are engineered to be very strong and can be stacked up to 9-high without any additional supports. Windows can even be cut into the metal panels without weakening the structural integrity (most of the strength is in the corners where they lock together) so that daylight may enter the structure.

“Reusable shipping containers provide a cost effective and sustainable approach to building design.” — Public Sector and Local Government Magazine

OBS Tower project. Container City
The (temporary) OBS Tower was an impressive addition to the Stratford Olympic Park.
Located on a tree lined public plaza within the park, the OBS Tower has created space for ground floor food outlets with their own kitchen, technical rooms and 10 broadcasting studios over two further floors — each one offering the visiting media studios with unobstructed views over the main stadium through the large glass frontage.

Might as well get the roof working for you

Dramatically lower cost solar panels are available on the market today. A couple of decades ago it cost over $100 per watt (installed price) to get your power from solar panels during the daytime and without battery backup. As of 2014, it costs less than $4.00 per watt (installed price in the U.S.A.) and if you live in Europe it costs about $2.00 per watt (installed price in Europe)

If you’re wondering about the difference in price between the U.S.A. and Europe, it’s only the profit margin that makes the difference. All the solar panels are comparably priced, as are the inverter units, wiring, etc. and often come from the same manufacturer in China.

So far, we have super cheap and stackable containment for vertical gardens and we have low-cost daytime electricity

Now what about night-time electricity? We have some choices. We can tap the grid and pay the regular commercial electricity rate to run the grow lights and the heat, we can purchase building scale battery systems from a company like SolarCity or you can run a diesel powered generator (a gen-set) for electrical power.

The good news is that commercial battery systems to complement solar panel installations have fallen in price and are approaching price parity with other grid-alternative power sources

Also, diesel fuel prices have risen dramatically since the invention of the gen-set, but these units (although they do emit copious amounts of pollution and you can’t run them indoors) are very reliable and it is almost impossible that a crop failure could result from a gen-set failure as another unit could quickly be transported to the location and hooked up before much crop damage could occur.

Grid power is fine, but to prevent crop failure in the case of winter-time power outages, a gen-set or battery backup is a necessity.

keetwonen
Shipping container college dorms being assembled in Amsterdam.
shipping-container-student-apartments-keetwonen-1
The massive Keetwonen complex houses 1,000 students.
College dorms in the Netherlands.
College dorms in Amsterdam, the Netherlands. Demand for these units is high, as they are soundproof and secure.
College dorms in the Netherlands.
College dorms in the Netherlands house many thousands of students and not just at this location in Amsterdam.

So, it appears that college dorms and BBC broadcasting facilities (for two good examples) can be easily assembled using these massive Lego-like building blocks.

What would we need in order to build vertical gardens?

  1. Land area equal to one city block
  2. A number of stackable, used shipping containers
  3. Solar panel array installed on top of the shipping containers, equal in size to one city block
  4. Backup power via battery or gen-set
  5. Grid connection
  6. Located near any major city
  7. A number of grow lights per unit
  8. Hydroponic or low-soil agriculture
  9. Compost container
  10. A number of staff to perform seeding, care and harvesting of plants
  11. One maintenance person per location
Crou shipping container housing from France.
Cité a Docks is a four-story building assembled out of 100 shipping containers to make student apartments. Cattani Architects equipped each 258 square-foot room with bathrooms, kitchens, free Wi-Fi, and heat and sound insulation.

The great thing about these super-strong building blocks, is that they can be arranged in any number of ways to suit individual site requirements. Standard container lengths start at 10 feet, 20, 40, 48 and 53 feet — but individual units can be welded or bolted together to arrive at any number of lengths.

HIVE-INN CITY FARM NYC
HIVE-INN CITY FARM New York City (proposed)

Interior-wise, any number of efficient-space designs are possible. Growing indoors where there are no drought, flooding, pests, human theft, or other concerns can be hundreds of times more efficient than conventional farming — and growing indoors means year-round crops. Thanks to solar-powered grow lights.

Hive-Inn City Farm design concept
The Hive-Inn City Farm design is only a concept at this point (see the OVA Facebook page)

None of it is rocket science, it’s ‘just’ an opportunity begging for a chance!

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