Anyone who travels a lot and thinks about it eventually runs into a set of uncomfortable questions. There is a style of travel writing that resolves them cheerfully with a line about being a responsible traveller, and there is another that ignores them entirely. Neither is much use.
What follows is an attempt at the honest version: what the actual problems are, and what genuinely helps rather than what feels like it does.
Flying
The largest environmental cost of almost any trip, and the one with no good answer. A single long-haul return flight can exceed the annual per-person emissions budget consistent with the Paris targets. There is no offsetting arrangement that makes that untrue — the evidence on voluntary carbon offsets is poor, with a large share of forestry-based schemes found to be over-credited.
What actually reduces it: fewer, longer trips rather than many short ones. Trains and buses for anything under about eight hours, which in Europe, Japan, China and India covers a great deal. Direct flights, because take-off and landing are the fuel-intensive parts. Economy, because a business seat’s footprint is roughly three times an economy one’s.
What does not: buying an offset and continuing unchanged.
The honest position is that flying has a cost, that the cost is not cancelled by good behaviour elsewhere on the trip, and that this is a reason to fly less rather than a reason to feel nothing.
Overtourism
Not a complaint about crowds. It is a measurable phenomenon in which visitor numbers exceed what a place can absorb, and residents leave.
Venice’s resident population has fallen by roughly two-thirds since 1950. Barcelona has restricted new tourist accommodation. Dubrovnik caps cruise arrivals. Kyoto has closed private alleys in Gion after repeated harassment of geiko. Amsterdam has run campaigns actively discouraging certain visitors.
What helps: going outside peak season; staying overnight rather than arriving on a day boat, since day visitors bring the crowding without the spending; using accommodation that is not removing housing from residents; and choosing the equivalent place that is not on the list. The Balkans instead of the Adriatic’s three famous towns; Trieste instead of Venice; a Greek island that is not Santorini.
What does not help: going anyway and feeling bad about it.
Animal attractions
The clearest-cut section on this page, because the tests are simple.
If the animal has to be available on demand, something is wrong. Elephant riding requires a breaking process. Tiger selfies require sedation or declawing or both. Dolphin swims require captivity. Walking with lions is usually a cub-petting operation whose animals end up in canned hunting.
Legitimate sanctuaries do not let you ride, hold, bathe or pose with the animals, do not breed, and do not acquire new animals for display. Observation-only is the marker.
Wild wildlife viewing — a safari, Galápagos, whale watching under distance rules — is a different category and is frequently the thing paying for the habitat’s protection.
Orphanage and slum tourism
Orphanage volunteering is the one to be unambiguous about: in Cambodia, Nepal and elsewhere, demand from well-meaning visitors created an industry that removes children from living parents to fill institutions. Around eighty per cent of children in Cambodian orphanages have at least one living parent. Short-term volunteering with vulnerable children also produces repeated attachment and loss. The sector’s own child-protection bodies now advise against it outright.
Township and favela tours are more complicated and depend almost entirely on operator. A tour run by residents, that spends money in the neighbourhood, and that does not photograph people’s homes without asking, is a different thing from a minibus with the windows up.
Photographing people
The simple version: ask. In most places a gesture at the camera and a raised eyebrow is enough, and the answer is usually yes and often improves the photograph.
Where it matters most: religious sites and ceremonies, funerals, children, anyone in poverty, and communities that have been photographed to exhaustion — the Maasai, the hill tribes of northern Thailand, Varanasi’s burning ghats, where it is prohibited outright.
Paying for photographs is a live debate. It is honest about the transaction and it also creates an economy that reshapes what people do. There is no clean answer; there is a difference between being asked and taking.
Where the money actually goes
The single most effective thing a traveller can do, and the least discussed.
A large share of what is spent on an international package — the flights, the resort, the tour operator — never reaches the country visited at all. The share that stays local rises sharply with locally owned guesthouses, local guides, markets, small restaurants and public transport, and falls with all-inclusive resorts and internationally owned chains.
That is not a moral instruction so much as arithmetic. If the argument for tourism is that it brings income to a place, then how you spend determines whether the argument is true.
The position this site takes
Travel is not neutral and the good version is not the guilt-free version. It is the one that pays attention: to the season, to who owns the guesthouse, to whether the animal chose to be there, and to whether the place would rather you came in October.