The Holiday That Changes Everything

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We took a train once — not instead of a flight we’d already planned, but as the whole point. Three countries, eight days, no airport. My children were eleven and eight at the time, and I was braced for resistance. Instead, what I got was my son’s face at a window somewhere in the Alps at seven in the morning, watching the light change on mountains he hadn’t known existed the day before, saying nothing at all for twenty minutes.

I don’t want to over-romanticise that train. It was long. There were luggage complications. The dining car ran out of the thing my daughter wanted. But I think about that window moment more than almost anything else from that trip, because it was the kind of thing that doesn’t happen at an airport gate — the slow arrival at somewhere beautiful, the gradual understanding that you have actually left home and arrived somewhere real.

The case for sustainable family travel is usually made in environmental terms: fewer emissions, smaller footprint, less damage to the places we visit. These arguments are valid and important. But they’re not the ones that have stayed with me longest. The case I find more compelling is the experiential one. Slower, lower-impact travel tends to be, in my family’s experience, simply better travel. More interesting. More educational. More connected to the actual place. And the environmental benefits come as part of the same package rather than as a sacrifice made in exchange for an inferior experience.

This is not always true. Sometimes flying is necessary, and sometimes the sustainable option is genuinely more limiting. But the assumption that eco-friendly family travel means giving things up — comfort, convenience, the best experiences — is considerably less accurate than most families believe before they try it.

The Numbers That Change the Conversation

Transportation represents the largest environmental impact of most family holidays. This is worth dwelling on, because most families’ sustainability conversations focus on reusable bags and recycling — the low-hanging fruit of environmental behaviour — while the choices with the largest actual impact, like how the family gets to their destination, get far less attention.

A return flight from London to New York for a family of four produces approximately 4 tonnes of CO₂ equivalent — roughly the same as the average UK household’s heating emissions for a year. A train journey covering the same distance (where possible) produces around 90% less. The numbers are not marginal. They are the difference between a high-impact environmental choice and a low-impact one, made once a year, with a consequence that dwarfs most other household sustainability efforts combined.

This doesn’t mean families should never fly. For many destinations, there is no realistic alternative. But it does mean that the destination choice, and the transport choice, are the most consequential environmental decisions a family makes in its leisure life — more consequential than the reusable bottles and the recycled packaging that consume most of the environmental conversation.

The 2026 sustainable travel landscape has shifted substantially on this point. As the EU Tourism Platform documented, the rise of slow travel — longer stays, lower-impact transport, deeper engagement with fewer places — is now a major trend among families specifically. The families driving this shift report not just lower environmental impact but better travel experiences. These two things, it turns out, point in the same direction more often than expected.

What Sustainable Family Travel Actually Means

It’s worth being specific about this, because “sustainable travel” risks becoming a marketing phrase that means nothing in particular.

In practical terms, it means choosing transport with lower emissions when realistic alternatives exist — train over plane for journeys under six hours, bus over private car for urban exploration, cycling or walking wherever the destination allows. It means staying in accommodation that has genuine sustainability practices — not just a generic “green” claim, but verifiable commitments to energy, water, waste, and local employment. It means eating local food, supporting local businesses, and engaging with local culture in ways that benefit the place rather than just passing through it.

And it means — this is the part that matters most for families with children — choosing to spend more time in fewer places rather than rushing across many. The family that spends ten days in one region, walks its paths, eats in its restaurants, visits its markets, and talks to its people, learns something about that place that the family on a seven-country highlights reel does not. Slower is not a compromise. It is frequently how travel gets interesting.

The 2026 sustainable travel concept has moved beyond “leave no trace” to what researchers are now calling regenerative tourism — the idea that a visit, done right, should leave a place better than you found it. That might mean spending money in ways that directly support conservation. Participating in local restoration projects. Choosing destinations that actively manage visitor numbers to protect their environments. The shift from consumer to participant is something children absorb naturally when it’s framed as part of how the family travels.

What Sustainable Travel Teaches Children That Other Travel Doesn’t

Here’s the part that I think about most in the context of raising children.

A child who has travelled by train through multiple countries has a different understanding of geography than one who has only experienced destinations as points accessed by airports. They have seen the land change. They have watched the architecture shift, the language on signs transform, the colour of the soil alter. They have experienced the actual distance between places — not as a flight duration, but as a physical passage through space.

A child who has eaten in local restaurants rather than tourist chains has tasted the place they visited. This sounds simple, but the difference it makes to how a child understands culture is not small. Food is culture in its most immediate and accessible form. A child who has eaten what people actually eat in a place, not what the tourism industry assumes they want, has had a cultural encounter that the airport restaurant cannot provide.

A child who has helped plan sustainable travel — researching the ecosystems to be visited, the wildlife to be encountered, the environmental challenges facing the destination — arrives as a participant rather than a consumer. As the research from eco-travel specialists consistently documents: children who help plan sustainable travel adventures develop lasting environmental consciousness. Not because they were lectured about the environment. Because they were involved in thinking about it.

And the children who have experienced the natural world in places where it is still intact — a coral reef before the crowds, a forest at dawn, a mountain valley without a car park — have something that no classroom or documentary can give them. A felt, embodied understanding of what there is to protect. As we explored in our article on raising children who care about wildlife, the most powerful environmental education is direct experience of the living world. Thoughtful travel is one of the richest sources of that experience available.

The Transport Question — Which Is the Most Important One

Since transportation is the dominant environmental factor in family travel, it deserves the most deliberate attention when planning.

Transport Mode	CO₂ per Passenger km	Best for	Family experience
Train	~14g (electric) — ~90% less than flying	Journeys under 6–8 hours; scenic routes; city-to-city	Often excellent — space to move, dining car, scenery, arrival in city centres
Coach/Bus	~27g — significantly lower than flying	Budget travel, regional routes, destinations without rail links	Variable — modern coaches are comfortable; slower but cheaper
Ferry	~19g per passenger km for foot passengers	Island destinations, coastal routes, overnight crossings	Often genuinely fun for children — the sea, the movement, arriving by water
Electric car	~47g — lower than petrol, higher than train	Rural areas without public transport; road trips	Good for family flexibility; infrastructure improving rapidly
Short-haul flight	~255g — significantly higher than alternatives	When no realistic surface alternative exists for the distance	Convenient but environmental cost is highest; worth comparing train time honestly
Long-haul flight	~195g (per km, but over much longer distance)	Intercontinental destinations with no realistic alternative	Sometimes unavoidable — when flying, staying longer per trip reduces per-day impact

The honest conclusion from this table is not “never fly.” It’s “don’t fly when a train takes a similar amount of time.” Paris to London by Eurostar takes 2h15 and arrives in the city centre. The equivalent flight, with airport transfers, security, and boarding, takes comfortably over four hours door-to-door — and produces roughly eight times the carbon. A similar calculation applies to dozens of European city pairs. The train is often not the sacrifice it’s assumed to be. It’s frequently just better.

Staying Well and Leaving Something Good Behind

Accommodation matters too, though it’s a smaller environmental variable than transport. The practical guidance is straightforward: look for places that are specific about what they do — not “eco-friendly” as a vague claim, but explicit about solar panels, rainwater collection, waste management, local employment, and supply chain choices. Certification systems like Green Globe, EarthCheck, and national equivalents in most countries provide a verified baseline.

Beyond certification, family-run accommodation — guesthouses, B&Bs, small locally owned hotels — tends to keep spending within the local economy more effectively than international chains. The money spent at a family-run farmhouse in rural France or a community-run guesthouse in northern Portugal stays in that community in a way that the equivalent spend at a global hotel brand does not. This is what sustainable travel theorists mean by “economic regeneration” — the visit that strengthens a place rather than simply extracting experience from it.

And then there is what you leave behind when you go. Sustainable travel in 2026 increasingly asks not just “did we damage anything?” but “did we contribute anything?” Some families participate in organised conservation activities — beach clean-ups, tree planting, habitat monitoring. Some simply spend money consciously: at local markets, in local restaurants, with local guides. These choices are not grand gestures. They are the daily decisions of a family that has decided to be a thoughtful presence rather than a consuming one.

Involving Children in the Planning — and Why It Matters

One of the most consistent findings from sustainable travel research is that children who participate in planning eco-friendly trips develop lasting environmental values from the experience. Not because planning is educational in a formal sense, but because involvement creates ownership, and ownership creates care.

A child who has researched the reef they’re going to visit — who knows what bleaching is, which species they might see, what the threats are, why certain sunscreens are prohibited — arrives at that reef as someone who is paying attention. Who notices things. Who has something at stake. That’s a different relationship to a place than the child who turns up and looks at it.

The involvement doesn’t need to be extensive or formal. “You’re in charge of finding out what we should and shouldn’t do at this nature reserve” is enough. “Look up what the local food is and find us a restaurant that serves it.” “Find out how we’re getting from the station to the guesthouse without a taxi.” These are small research tasks that produce genuine engagement — and they are also, incidentally, literacy, critical thinking, and problem-solving in disguise.

As we explored in our article on building eco-friendly family habits, the values that last are those that are lived rather than lectured. Travel — especially thoughtful, involved, slow travel — is one of the richest contexts for living environmental values available to families. The child who has experienced it will carry something from it that no amount of classroom environmental education can fully replicate.

The Packing Question — Small But Worth Addressing

Packing sustainably is the part of eco-travel that gets the most attention relative to its actual environmental impact, which is modest compared to transport choices. But it matters to how the trip feels and what it models.

Reusable water bottles as standard — not bought at the airport, brought from home. A solid shampoo bar and soap that travel without plastic packaging and don’t produce bathroom waste. Reef-safe sunscreen if the destination involves coral. A small fabric bag for market shopping. Light packing generally — less weight means slightly lower fuel consumption, and it also means more flexibility, easier movement, less time managing bags.

None of these are significant. But the practice of thinking about packing thoughtfully — of not just grabbing whatever is convenient, but making small conscious choices about what comes with you — is itself a habit worth building in children. It’s the same habit that underlies every other sustainable decision: pausing before the automatic choice, asking whether there’s a better option, and acting on the answer.

Frequently Asked Questions

We always fly because it’s so much cheaper. Is sustainable travel realistic on a family budget?
Increasingly yes, and the gap is smaller than it appears when you account for full costs. Train travel within Europe, for example, is often competitive with budget airlines once you include airport transfers, baggage fees, and the dead time of airport procedures. Outside Europe, the calculus varies — but where low-impact options exist, they’re often more economical than assumed. The more significant budget factor is usually staying longer in fewer places, which reduces transport costs substantially.

My children want to go to places that require flying. How do I handle this?
Honestly and without guilt. Flying is sometimes the right choice, and children deserve straightforward conversation about tradeoffs rather than either a lecture or a pretence that it’s fine. “We’re going to fly because there’s no realistic alternative for this distance, and when we fly we stay longer so the trip is worth it” is a complete and honest answer. The goal is not zero flights. It’s considered choices.

How do I explain sustainable travel choices to young children without making the holiday feel political?
The same way you explain any family value — as just how your family does things, not as a cause being advocated for. “We’re taking the train because it’s a nicer way to arrive” and “we’re eating here because the food is from local farms” are complete explanations that don’t require environmental preamble. The values are embedded in the choices. They don’t need to be announced.

Are there destinations that are better for families trying to travel sustainably?
Yes, genuinely. Countries with excellent rail infrastructure — much of Europe, Japan, parts of Latin America — make low-impact family travel significantly easier. Countries with strong eco-tourism frameworks — Costa Rica, New Zealand, Slovenia, several Scandinavian countries — make sustainable accommodation and activities easier to find and verify. And destinations closer to home, reached without flying, are inherently lower impact than equivalent experiences requiring long-haul flights.

What the Children Remember

I have asked my children, at different points over the years, what they remember from our various holidays. The answers are never what I expect. Not the famous landmark we queued for. Not the hotel pool. Usually something small — an animal encountered unexpectedly, a meal in a particular place, a moment of weather, a conversation with a stranger.

The train through the Alps comes up every time my son talks about travel. Not the destination. The journey. The window. The mountains appearing and then changing and then becoming something else entirely as the day moved forward and the train moved through them.

Slow travel gives children more of this. More time in the journey. More room for the unexpected. More moments of actual place, rather than the filtered, curated experience that high-speed, high-convenience tourism tends to deliver. The environmental case for it is real and significant. But the experiential case — the case that the travel itself is better, that the memories are richer, that the children come home having actually been somewhere — is the one I find myself making most often.

The holiday that changes everything is not necessarily the most distant or the most expensive. It’s the one where something real happens. And real things, in my experience, happen more often when you’re moving slowly enough to notice them.

Younes Kehal is an Educational Director and School Coach with over twenty years of experience working with children and families. He believes the journey is part of the education, and that arriving by train at a place you’ve never been to is one of the better things a family can do together.