Category: Environment

Strolling

Daily writing prompt
What notable things happened today?
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Mr fox strolled intently across the green field. Apologies, if in fact it’s a Mrs fox that I saw in the early morning light. His was a deliberate, nonchalant stroll. Knowing that tuffs of high grass and reeds provided cover. A stop, quick look around, and then onward. No reason to hurry.

From my window, this was not the first time I’ve seen a fox on his first light stroll. In the bright morning sunlight, there was a sheen coming off his coat. This was clearly a healthy fox. Agile, slender and strong. Unlike shy, less fit town foxes that I’ve seen wandering gardens. No scavenging from waste bins for this smart fellow.

It crossed my mind that prey must be plentiful at this time of year. Later in the day a pack of geese graze this unkempt wet land. Mixing with the Dexters. I’ve seen goslings waddling along behind their parents. Now, I suspect there are fewer of them to waddle.  

Sustainable Aviation: Innovations and Challenges

Gas guzzling continues to be one of aviation’s problems. Combustion remains that the heart of most aircraft power plants. Taking large amounts of fossil fuel. Squeezing energy out of every drop of gasoline. Gobbling up more day after day. Pushing out emissions.

As I look out across the garden, I see gliding effortlessly as the warm air rises, a Red Kite[1] gracefully circling. Wings outstretched they hardly move them as they climb. They’re a distinctive small bird of prey, easily spotted because of their forked tail. Now, that’s what I call efficient flying. Using all that nature provides and wasting little energy.

Human attempts at flying are a million miles behind these magnificent birds. There’s still so much to learn about aerial navigation. It’s a matter of control. The sensing of ambient conditions and the precision movements needed to ascend and dive at will.

The search is on for effective change. There’s no pretence that the way commercial aviation operates is unsustainable. It’s true that the gas guzzlers of the air guzzle less gas now than they ever have but the physical facts remain.

None of this is new. I’m about to send a book called “Towards Sustainable Aviation” to a charity shop. It’s not that there’s anything wrong with it. The book is full of pertinent analysis and observations. Trouble is that it’s dated 2003.

I’m led to ask – what’s changed in over 20-years? In answering my own question – quite a lot but not enough. Discourse has moved on from academic quarters to the political sphere. Aircraft have become more fuel efficient. Driven by economic imperatives as much as any concern for the climate. Research initiatives are generously funded to come up with answers. Solutions like hydrogen, electric propulsion, and SAF (sustainable aviation fuel) are slowly moving from theory to practice. A few prototypes are flying. Limited supplies of SAF are flowing.

Unmistakable that’s where the problem lies. For all the hype, policy and government funding the pathway to genuinely sustainable aviation disappears way off into the horizon. There are setbacks too. Gas guzzling is back in fashion. Certainly, in Trump’s America.

We could make a much more of the technology that’s currently available. Yes, there are costs involved. Change is not a free ride. That said, sticking with the status-quo isn’t free either. Legacy costs mount up. One reason why older jets disappeared from fleets so quickly.

The next generation of commercial aircraft must make major steps forward. Since the life of a typical aircraft type can easily extend to 30-years, then change must happen in design now.

Typically, commercial aviation moves with graduated change. There’s an inherent conservatism in the system, as might be expected when safety and security are paramount. Facing this global challenge, there’s a need for a degree more radicalism.

Since high impact disruption is also in fashion, it’s time for airlines and manufacturers to adopt a pioneering spirt. It’s been done before. In the 1960s, that pioneering spirt gave us the Boeing 747, the Jumbo jet. That opened flying to a whole generation.

[1] https://www.rspb.org.uk/birds-and-wildlife/red-kite

Exploring a Riverside

Riverside walks can be pleasant ways of spending a sunny spring evening. That’s what I did on Friday. Sun shining with a cool breeze sweeping through the trees. Underfoot even the unmade-up paths were dry, which is testament to the rainless weather of recent weeks. Even so, the riverbank showed signs of the flooding of the winter.

Reading is a town[1]. It’s England’s largest town. Now, I didn’t know that until I looked it up. The largest English town that I’ve been familiar with over the years is Crawley in Sussex. I think of that as a large town but it’s less than half the size of Reading. It’s the railway that makes Reading. Reading railway station was the last stop on the Great Western Railway (GWR)[2] when it was first opened in 1840. After that the railway forged west to be what we know now as the main thoroughfare across southern England.

Reading town has a long history. That’s no surprise given its position on the river Thames. It’s where the river Kennet, the canal and the river Thames meet. An obvious place for trading since Roman times. It’s a commercial town. Glass sided office blocks and Victorian brick work. For all that it doesn’t stand out as an architectural masterpiece.

Another surprise for me was leaning that town twinning is alive and well. That Reading in twined with Düsseldorf in Germany. A city more than twice the size of Reading. In fact, until this last year, I’ve been more familiar with Düsseldorf.

Our walk ended at The Fishermans Cottage[3]. I’m happy to recommend this small riverside pub.

From there, on the walk back to the railway station I did see the one of the more notable sites in Reading. That’s the Banksy’s Great Escape artwork[4] on Reading prison wall. Oscar Wilde spent time in that jail. The artwork has got a Perspex cover to keep the pigeons off. And anyone else who might think of spraying it.

That reminds me. It’s not unusual to have a phobia about dogs. Although dog owners mostly have a difficulty in getting their heads around the fact. On my riverside walk dogs were not the problem. Amongst our small group of walkers had a different phobia.

As we got to the confluence of the Thames and the Kennet, we discovered the phobia of one of our walkers. Alfred Hitchcock would approve. The Kennet’s tow path attracts Swans. These Swans are attracted by people with food. With no inclination to get out of the gently flowing river these lazy Swans wait for passers-by to pay attention to their needs. That’s no problem.

It’s called Ornithophobia. A fear of birds. Birds flock when free food is on offer. The worst of these can be thought of as flying rats. I talk of pigeons. That how I think of pigeons. Tom Lehrer[5] had the right idea about these annoying birdies. Frightening them away, at least for a moment, cleared our pathway. Like a flash they returned as we strolled into the pub.

[1] https://www.reading.gov.uk/

[2] https://www.gwr.com/stations-and-destinations/travel-inspiration/blogs/history-of-the-railways

[3] https://www.tripadvisor.co.uk/Restaurant_Review-g186363-d7363678-Reviews-The_Fishermans_Cottage-Reading_Berkshire_England.html

[4] https://banksyexplained.com/create-escape-march-2021/

[5] https://youtu.be/yhuMLpdnOjY

Travel’s Societal Impact

Privilege is all around us. It’s, by definition, not equality. It’s a privilege to live in a country not torn by war or where the environment has not been decimated. It’s a privilege to be able to protest and strongly disagree with the powers that be. Indeed, in this country it’s a right too.

Debates about the moral or ethical grounds of inequality will never cease. That’s a hope of mine. For the minute we become timid and cowed by an authority that would rather supress such debates, then that’s the end of our democracy. We’d be free no more.

A large part of my career has been in the aviation industry, in one way or another. Putting aside the military uses of aviation, that’s another debate, civil aviation and the travel industry are two peas in a pod. Flying facilitates travel. Largely international travel. Apologies to the cargo industry, leisure flying and so many others.

One phenomenon that is not new, is that of raising the issue of responsibility. For example, the consequences of tourism to natural environments are often negative. Not always so. Huge effort is made by some countries and organisations to make tourism a positive. However, generally there are significant challenges to be grappled with in making travel affordable for all.

Wealthy young Europeans have been roving across boarders as part of a rite of passage since the 1600s. A “Grand Tour” was a form of discovery, education and cultural enrichment. Today, a student might call that a gap-year. Time taken out of formal studies to travel abroad. The aim, as well as having fun, is to return a more rounded person ready for whatever life might throw up.

Where do we sit as a society in terms of the balance between personal freedom and our collective responsibilities? Are activists right to attempt to slam or shame travellers for the negative impacts that they can trigger? These are uncomfortable questions. Ironically, these difficult questions are often raised by the people who have enjoyed the privilege of travel.

In my mind, a debate on this subject of balance reflects greater societal issues. When we look at a basic hierarchy of human needs then international leisure travel may not be top priority. However, life would be less rich and colourful without it. Embarking on an epic journey, that takes a traveller outside their comfort zone, can be a life changing event.

To defend the freedom to travel, I cannot avoid looking at the other side of the equation. There is an overwhelming responsibility to do something restorative. Ignoring the impact of travel, particularly civil aviation, is not an option anymore.

I know there are some politicians who scream for the abandonment of Net Zero policies and all they entail, but they are extremely foolish. Shifting the burden onto future generations is reckless. Appealing to those who want to escape the debate, or force a return to mythical age, is nothing more than doomed short-termism.

This is one reason I’m an advocate for electrification and the exportation of radical solutions, like hydrogen powered civil aviation. Technological solutions are part of the path to take. That, in of itself, may not be enough but at least engineering change is permanent.

Solutions by design are far more powerful than ephemeral political posturing. Legislation can be overturned in a weekend. A whole new way of operating aviation can be sustained for decades.

The Revolutionary Role of Hydrogen

Hydrogen has a history with aviation. What could be better. A gas that is so light. So easily produced and with no need heat it up. With a lightweight gas-tight bag and a fair amount of rope, balloon construction took-off. Literally. The proof that hydrogen gas could lift a balloon goes back to the 1780s in France.

Sadly, the downside of this gaseous element is its propensity to combine with other elements. In fact, where would we be without liquid water. On this planet, that most basic and prolific combination of hydrogen and oxygen. Not so much sadly but more luckily.

Step forward about 250 years and we have a different vision for hydrogen in aviation. If it’s combined with the oxygen in the air that we breath, we get nothing more noxious than water. Since, the other forms of combustion, that populate our everyday lives, is distinctly noxious, surely hydrogen has a lot to offer. Talk about downsides. Burning fossil fuels is distinctly unsustainable. Polluting the atmosphere.

This week, I was looking out to sea. At the English Channel (No name changes there, I see). Standing on the pebble beach at Budleigh Salterton. They ought to have an award just for that name. It’s a small seaside town in Devon. The towns cliffs are part of a World Heritage Site, namely The Jurassic Coast[1]. 

Forget the 250 years of humans flying, cited above. About 185 million years of the Earth’s history is for all to see on the Devon and Dorset coast. When we say “fossil fuels” what we mean is that we are living off the back of Earth’s history. Society powers modern life on dinosaur juice. Well, not exactly but plant and animal life from hundreds of millions of years ago. How crazy is that?

Hydrogen, on the other hand, is one of the most abundant elements. It’s everywhere.

Modern day dinosaurs (politicians and pundits) insist that we continue to exploit dinosaur juice until it’s all gone. That’s putting aside any concerns about returning all that carbon to the Earth’s atmosphere. Carbon accumulated over millions of years.

Hydrogen can be a clean fuel. The problem is that saying that and then doing it are two different things. There are complexities that come with using Hydrogen as a fuel. It might be reasonably easy to produce, in multiple different ways, but it’s not so easy to transport.

Producing leak proof systems for transport and storage requires innovative thinking. We can’t just treat it with the familiarity of conventional fuels. Whole new regimes are going to be needed to get Hydrogen from where it’s produced to where it’s needed.

Producing leak proof systems for aircraft is a challenge. Given the odourless and invisible nature of this light gas, accurate and extensive detection systems are going to be needed. If the gas is to be consumed by fuel cells to produce electricity, then there’s going to be a constant struggle against complexity and significant expenditures.

What is reassuring is that none of the above is insolvable. At this time in history, we have the materials technology and control systems that make Hydrogen a viable clean fuel.

[1] https://jurassiccoast.org/

The Evolution of Air Traffic Control

Until civil air traffic started to grow the need for its control wasn’t the number one consideration. The pilot was the master of the skies. A basic “see and avoid” approach was taken. See another aircraft and avoid it at all costs. Note, I am talking about the early 1920s.

If you want a nice exploration of how it all started keep an eye on the site of the Croydon Airport Visitor Centre[1]. The first London airport was not Heathrow or Gatwick. No, there’s a stretch of grass, a hotel, industrial units and out of town shopping standing on the site in Croydon of the first London airport. 

Firstly, we can thank Marconi for the first radiotelephony. Providing a means for pilots to speak to airports enabled the development of Air Traffic Control (ATC)[2]. It got going out of necessity because there was limited space on the ground and many aircraft wanted to take-off and land.

Aerial navigation took off in the 1920s. A hundred years ago. WWII drove advancement in every aspect of technology. After WWII, the basic having been established, an international body was established to set standards for international flying. That’s where today’s ICAO originated.

Radar and VHF radio transmissions were the cutting-edge technology that enabled air traffic to grow. Radio navigation aids developed as did automatic landing systems. So, by the time the jet-age started there was a whole selection of technology available to manage air traffic. Not only that but the standards required for these systems to interoperate around the globe were put down on paper.

That legacy has served aviation remarkably well. Incremental changes have been made as new capabilities have been developed. Most notable of that evolution is to return elements of control to the cockpit. A traffic alert and collision avoidance system (TCAS) does just that. It provides a safety net.

What we have available to manage dense airspace and busy airports is a complex, highly interconnected, interdependent set of systems of systems and procedures that is not easy to unravel. Each part, in each phase of flight, plays its role in assuring safe operations.

News and rumours are that quick fixes are being demanded in the US. Responding to recent accidents and a perception that all the above in antiquated, a well know tech guru has been thrown at the “problem”. I shouldn’t be a cynic, as having a fresh pair of eyes looking at the next steps in the development of air traffic management should be good – shouldn’t it?

It’s my observation, as an engineer who knows a thing or two about these things, is that any simple solution means that the parties have not thought long enough about the problem. In this case there are no quick fixes. However, there’s likely to be incremental improvements and they will not come cheap. 

[1] https://www.historiccroydonairport.org.uk/opening-hours/

[2] https://www.historiccroydonairport.org.uk/interesting-topics/air-traffic-control/

Revitalising Manufacturing

Yes, it’s good to have good trading relations with other countries. With a degree of pragmatism – as many as possible. Naturally, there are lines drawn in cases where countries share little of the UK’s values or are dictator run aggressors. Counting the hundreds of sovereign countries there are around the globe, a majority are friendly and mostly interested in mutual wellbeing.

However, post-2016[1] we are still living in strange times in the UK. In the same breath as some people talk of sovereignty and surrender, they say an extremely wealthy man in the US can solve all the UK’s problems. This nonsense defies any kind of logic.

There’s a peculiar celebration of the UK joining the Asia-Pacific Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) bloc. As if we didn’t have a huge trading block on our immediate doorstep. Joining one that offers a tiny gain overtime whilst leaving the other has cost a massive economic hit. The one thousands of miles away is significantly culturally different but the one next door is one where we share a common history.

I learn that there’s no point even thinking that logic has any influence on a Brexit supporter. Non whatsoever. Their view of the world comes from some lost imperial age.

Sadly, Brexit talk is only mumbled in darkened corners. That whopping great elephant in the room continues to get ignored. Even the UK’s new Labour Government is carrying on as if there were the former Conservative bunglers. There’s some woolly talk of reconciliation. There’s a lot of right-wing scaremongering. Practically, not a lot is changing.

In real terms, both UK exports and imports of goods are lower than in 2016, having shrunk by 1% and 2%, respectively[2]. Which is crazy given the new economic horizons. Especially in the switch to the need for more environmentally responsible goods. We should be modernising and strengthening UK design and manufacturing. Not just a bit but putting a rocket under both. Half hearted nice words by minor Ministers don’t cut it.

International trade fantasies will not build a stronger domestic economy and that illusive positive growth that’s often talked about in political speeches. With the coming of highly advanced computing, like artificial intelligence, countries with predominantly service based economies are gong to struggle. Basic service orientated jobs are going to get more automated. Like the traditional factories Henry Ford would have recognised, office complexes are hollowing out.

At least the new Labour Government isn’t pushing wholesale reopening coal mines or returning to a dependency on North Sea oil rigs. That said, I’m unsure what their attitude and policy is to rock fracking and imported gas supplies.

To make real economic progress we (UK) must make Brexit history. With our colleagues in Europe, we can be an innovation powerhouse. Making home grown products for the world markets of the future. Not languishing in a tepid imperial past or tugging at the shirt tails of some mega weird pugilist.

[1] UK referendum result: Of those who voted, 51.89% voted to leave the EU (Leave), and 48.11% voted to remain a member of the EU (Remain).

[2] https://personal.lse.ac.uk/sampsont/BrexitUKTrade.pdf

Labour’s IHT Policy: A Threat to Family Farms?

Labour is driving down a road it’s driven before. It’s a shame when the two biggest political parties in Britain are so captured by their past that they can no more look forward than a duck can master arithmetic.

Post Second World War the country was broke. Rising taxes were inevitable to pay down debt. The British State was far more directly involved in everyday economic decisions than it is now.

Inheritance Tax (IHT) got its status as a loathed tax partially because of the necessary actions of the post-1945 Government. At that time, “estate duty” was increased to 80%. This generated increase tax revenue but led to the breakup of large country estates up and down Britain. Ironically, the breakup of country estates created an opportunity for some tenant farmers. As the estates were sold off in lots so tenants could become owners, if they could raise the finance.

So, you might say farmers paying IHT at 20% isn’t so bad by comparison. The amount of generated increase tax revenue isn’t much. With one hand the Government is subsidising farmers and with the other hand it’s taking a cut of their lifetime acquired assets.

Another side of the coin is the cost-of-living crisis. Certainly, winter heating costs have been a matter of great concern for a lot of people. Food too is an absolutely essential expense. Hence, the growth of food banks in every part of the country. This shouldn’t be accepted as the norm.

All of this is happening at a time when the nation’s supermarkets are making healthy profits. Keeping cheap food on the shelves with, in some cases, the philosophy of sell it cheap and pile it high. Industrialised and highly processed food coming in at the lowest prices to the customer. At the other end of the supply chain, forcing down farm gate prices.

You would think that getting national food production, the job done by farmers, right would be an imperative for Government. You would think that a regular dialogue with farmers might be quite important. Wouldn’t you?

The problem with Labour’s 20% IHT and the threshold of 1 million is that it’s not going to have much impact of those who own large country estates to avoid other taxes, like CGT. It’s not going to have much impact on large corporate agricultural enterprises. It may not even have much overall impact on land prices. Afterall, they don’t make it anymore.

But it’s going to clobber small and medium sized enterprises, very often family farms. It will clobber far more than the Treasury’s last-minute calculations say[1]. The reason is clear. The profitability of family farming has been dire over recent years. Add a new tax bill and selling-up will be the most attractive option for many potential next generation farmers.

Then the question must be asked what’s it all about? What are the values underpinning this policy? There I go back to the start. Does Labour perceive these working people as “rich”. Their logic may go, why shouldn’t the rich pay more after the Conservative Government that they supported has made such a mess of the country? One way of seeing where we are.

Trouble is that they have aimed at the wrong target.

[1] https://www.channel4.com/news/how-many-farmers-will-have-to-pay-inheritance-tax

UK Farmers’ Unrest: Budget Shock and Political Implications

Yesterday, central London was full of British farmers. Far more than was anticipated. It’s a countryside revolt. Or at least the seed corn of unrest. It needs to be addressed quickly.

The UK Government Budget sprung an unexpected shock on farmers. Newly elected, everyone expected them to try to correct the spending mess left by their predecessors. However, few expected them to make-up last minute figures to do something they said they wouldn’t do.

Lots of family farmers could be singing the classic Beatles song “Yesterday”. Troubles seemed so far away before the general election. Now, they seem here to stay.

Like androids, and the Tories before them, Labour Members of Parliament (MPs) are trotting out lines prepared for them by their masters. The political excuse trotted out robotically is that the theoretical threshold for taxation is £3 million and not £1 million as everyone is saying. Therefore, they say, fewer farm businesses will be impacted by their new death tax.

When something goes wrong in Government one of the best strategies is to address the facts immediately, apologies for any error, take the temporary hit and move on quickly. Stonewalling and wibbling is an extremely poor approach.

For a start, many farmers will not be able to take-up the tax reliefs Labour MPs are talking about. Farming is a hazardous profession. Sadly, unexpected deaths are not unusual. If such an event occurs this could then result in compounded tragedy, that is the death of a family business too.

Farmers are pointing out that significantly wealthy people will still use land purchase to avoid tax. They will have complex and detailed tax planning services at their fingertips.

Agricultural land values have increased dramatically in recent decades. Yes, there is an issue to be addressed with respect to land value. Housing development land is an astronomical price. It’s one of the drivers that is making house prices unaffordable for many people.

Labour needs to recognise that it’s not food producers who are driving these negative phenomena. It’s not small and medium sized family farms who are the problem makers.

Not only is this new inheritance tax very poor politics by Labour, but it’s also not going to crack the problem that they might wisely wish to crack. I’d say, think again. At least consult.

Rain and Life

Rain is inevitable. Rain is perpetual. Rain is ingrained in the fabric of life. Britain is a series of islands that’s buffeted by the winds that sweep across the Atlantic. Not always but mostly. 

We complain about it. We lament it when there’s not enough. We are shaped by it.  If ever there was a better sign of what’s called “small talk” it’s to talk about the weather. Having a conversational default like this one is deeply embedded in our culture.

The line to draw is one between the “normal” amount of rain and the periods when the torrents seem almost biblical. Record breaking is a talking point. Can’t ignore it.

According to the Met Office[1], Berkshire, where I am, received 3 times its average September rainfall. Southern England had its wettest September since 1918, and its 3rd wettest on record in a series from 1836.

Natural variations are to be expected. Afterall, what would there be to talk about if the only thing to say is that the weather is the same as yesterday, or last week. That is the fate of people in some parts of the world. No such predictability for our northern hemisphere islands. Up at above 50 degrees of latitude we see a moderate variation in almost everything.

The key word there being “moderate”. Months that are as wet as this past September, do impact the regular cycles of the seasons. Generally, it’s been warm too. I can’t help thinking it’s been a good year to be a tree. Roots have had a lot to soak up whenever the need arises.

Is what’s happening an indication of climate change? I’m not going to be the one to put my hand up on that one. I suspect that a greater degree of variation in the weather is a broader factor.

For the farming calendar this year has already been a strange one. Almanacks that tell you when to reap and sow might need revisiting. Whether cows will need to develop webbed feet or horded of ducks take over, I’ll leave that to the imagination.

For me, since January, living near a river has become a source of curiosity. Luckily our house is many meters above the worst-case scenario for a sustained flood. The river runs fast. It’s a chalk stream. What’s interesting is that its level is highly dependent upon the degree of soaking that the surrounding land has received. Just now, the green fields around are like sponges that are nearing their capacity. I’m sure, that’s unusual for early Autumn.

[1] https://www.metoffice.gov.uk/about-us/news-and-media/media-centre/weather-and-climate-news/2024/record-breaking-rainfall-for-some-this-september