Denmark makes sustainability feel almost embarrassingly easy. You arrive expecting to work for it — to seek out the eco-credentials, scan menus for the right labels, plan your transit like a logistics manager — and instead you find yourself cycling past wind turbines on your way to a bakery powered by district heating, eating a lunch of root vegetables you didn't realise you'd been craving, and falling asleep in a building insulated to within an inch of its life. The country has, for decades now, been quietly designing the everyday around lower emissions. The traveller's job is mostly to keep up.
Here's a guide to travelling Denmark in a way that leans into what the country already does well — without falling for greenwashing or missing the genuinely fun parts.
Why Denmark is a soft landing for green travel
Denmark is one of those rare destinations where doing the low-carbon thing is also usually the most pleasant thing. The cities are compact and walkable. Cycling infrastructure is treated as serious civic engineering, not a hobbyist's afterthought. Trains are clean, frequent and connect to ferries and buses without too much drama. Wind energy is woven into the national grid in a way you can literally see — turbines along the coastline are part of the scenery, not hidden away.
The country has set ambitious climate targets at a national level, and that filters down into how hotels are built, how restaurants source food, and how municipalities run their waste and heating. None of this means a Danish holiday is automatically "sustainable" — flying there still has a footprint, and tourist hotspots can be just as wasteful as anywhere else if you're not paying attention. But the floor is high. You have to try quite hard to have a bad-faith trip.
Getting there without the guilt spiral
If you're coming from elsewhere in Europe, the train question is genuinely worth asking before you default to a flight. Denmark is well connected to Germany and Sweden by rail, and the journey across the Øresund Bridge from Copenhagen to Malmö is one of those experiences that makes you wonder why you ever bother with airports for short hops. Night trains have made a comeback on several northern European routes, and even when the journey is longer than flying, the door-to-door difference is often smaller than you'd think once you factor in airport time.
If you do fly — and many travellers will — try to make it count. One longer trip rather than several short city breaks. Direct routes rather than connections. And once you've landed, leave the car at the rental desk unless you genuinely need it for a rural stretch.
Copenhagen: the cycling city, properly used
Copenhagen is the obvious starting point, and the cliché about cycling is a cliché because it's true. More residents cycle to work than drive in the city centre, and visitors are expected to slot into that flow rather than treat the bike as a novelty. Rent a city bike for the duration of your stay rather than relying on rideshare apps or taxis — you'll see more, you'll spend less, and you'll understand the city's geography in a way that no metro map will give you.
A few things worth knowing:
- Stick to the right side of the bike lane, signal with your hand before stopping or turning, and don't stop in the lane to check your phone. Locals are polite but not patient.
- The harbour is swimmable in several designated spots in summer — the city cleaned up the water enough to make this possible, which is a sustainability story in itself.
- Refill your water bottle. Tap water is excellent, and there are public fountains.
For food, Copenhagen has spent the last couple of decades reshaping itself around seasonal, local, low-waste cooking. You don't need to book the famous Michelin-starred places to taste this — neighbourhood restaurants and bakeries have absorbed the same ethic. Look for menus that change frequently and don't list ingredients you'd expect to see flown in.
Aarhus and the slower pace
Aarhus is Denmark's second city, and a good antidote if Copenhagen feels too polished or too on-trend. It's a university town with a working harbour, a strong design culture, and a forested coastline a short bus ride from the centre. The compactness that makes Copenhagen easy to cycle applies here too, and the museum scene punches well above the city's size.
From Aarhus, the rest of Jutland opens up by train and bus. The west coast has the wide skies and wind-blown beaches that Danes themselves use as their summer escape. Inland, you'll find heath, lakes and the kind of landscape that rewards slow walking.
How to read a "green" Danish hotel without being fooled
A lot of Danish hotels will tell you they're sustainable. Some are. Some are doing the bare minimum and counting on you not to ask follow-up questions. A few things separate the credible from the cosmetic:
- Energy source. Is the building on district heating? Does it source renewable electricity? District heating in Danish cities is often partly powered by waste heat or renewables, which is genuinely meaningful.
- The building itself. Insulation, window quality, and heat recovery systems are doing more for emissions than the bamboo toothbrush in the bathroom.
- Food. Look at the breakfast buffet. Is most of it Danish or Nordic? Are there clearly labelled plant-based options that aren't an afterthought?
- Certifications. Recognised eco-labels — the kinds audited by third parties rather than self-declared — are a useful signal. They aren't perfect, but they raise the floor.
- What they don't talk about. A hotel that's serious will usually have a page on its website with specifics: energy mix, waste handling, water use, supplier policies. Vague language about "caring for the planet" with no numbers is a yellow flag.
You don't need to interrogate the receptionist. But ten minutes of reading before you book will tell you most of what you need to know.
Eating well, eating low-impact
Denmark's food culture has shifted dramatically over the past generation. The new Nordic movement gets the headlines, but the real story is the way its principles — seasonality, locality, less meat, less waste — have spread into ordinary cafés and home cooking. As a traveller, you can eat extremely well without going near a tasting menu.
A few habits to lean into:
- Smørrebrød, the open-faced rye sandwich, is built around whatever's in season and often features fish, pickles, eggs and vegetables rather than heavy meat.
- Bakeries are a national strength. Sourdough rye, cardamom buns and the actual original cinnamon snail are not the same as their international imitations.
- Surplus food apps are widely used in Danish cities to redistribute end-of-day stock from cafés and shops. Worth installing before you arrive.
- Markets and grocery shops are a more sustainable lunch option than restaurants if you've got park weather and a few hours.
Beyond the cities: nature without the air miles
Denmark is small, flat and laced with public transport, which makes nature surprisingly accessible. The island of Bornholm, in the Baltic, is reached by train and ferry from Copenhagen and has its own food culture, cliffs, smokehouses and a long-standing reputation as a sustainability-minded community. Møn, with its white chalk cliffs, is a few hours from the capital. The Wadden Sea on the southwest coast is a UNESCO-listed tidal landscape with vast bird migrations.
None of these require a car. Most reward staying for several nights rather than day-tripping — both for emissions reasons and because the rhythm of these places is genuinely different.
Small choices that actually matter
You've heard most of these before, but in Denmark they're easy:
- Carry a refillable bottle. Tap water is genuinely excellent everywhere.
- Use the train for inter-city travel. Book in advance for better fares.
- Pack for cycling, not for fashion. You'll be on a bike more than you expect.
- Visit second-hand shops, which are a serious part of Danish retail culture, not a fringe.
- Stay longer in fewer places. The carbon maths and the experience maths both improve.
Where IMPT fits in
If you're booking a Danish trip and want the climate side handled without turning your holiday into a research project, that's roughly the gap IMPT is built for. Booking your hotel through IMPT means a tonne of CO₂ is offset on-chain on your behalf, paid from our commission rather than added to your bill — useful when you've already done the work of choosing a credible green stay and just want the flight footprint dealt with quietly. The IMPT shop and card extend the same idea to everyday spending, so the carry-on rye bread and the cycling jacket you buy when you get home don't have to live in a separate mental compartment from the trip itself. Denmark makes the low-carbon choice easy. The point is to keep it that way once you're back.