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IO - Summer School
Last modified: Monday, 16 February 2026, 10:51 AM
KLU Summer School in Sustainability
Sustainability. Hands-on. In Hamburg.
Your journey starts here.Everything you need to know before you arrive.
Get ready! 🚀
KLU Summer School in Sustainability starts in:
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Before You Travel 🧳
Your pre-arrival checklist.
✈️ Book your flights – Your Summer School adventure starts in the air!
🏨 Confirm accommodation – Make your temporary home ready.
🛂 Check visa requirements – Make sure you’re allowed to enter Germany hassle-free.
🛡️ Arrange health & travel insurance – Stay safe and covered during your trip.
📱 Download the HVV app – Navigate Hamburg like a local.
👜 Pack for all weather – Light layers, a jacket, and a small umbrella will keep you prepared.
💳 Bring some cash & your bank cards – Most shops accept cards, but cash is handy for small stores or Sunday shopping.
📌 Note important contacts – Emergency numbers, your host, and the International Office.
🌍 Familiarize yourself with Hamburg – Check out our interactive map for hotels, attractions, parks, and transport.
🥨 Learn a few basic German phrases – “Moin!”, “Danke”, “Wo ist…?” – small words, big welcome!
Explore Hamburg - Discover Your Summer ☀️
Discover hotels, parks, attractions and more.
This interactive map is your first glimpse into the city that will host your Summer School experience.
Here you will find everything you need at a glance: recommended hotels, parks and green spaces, key attractions and points of interest, important U-Bahn stations, our excursion locations, and of course KLU at the heart of it all.
Use the filter function to explore specific categories and start shaping your own Hamburg experience. Whether you are planning your arrival, looking for your future coffee spot, or simply getting curious about the places we will visit together, this map is designed to help you navigate the city with confidence.
Take a moment to explore. Zoom in. Click around.
Your Summer School journey begins long before the first class. 🌍
Your First 72 Hours 🕐We know the first days are the hardest.
Day 1 - Arrival
Get a day ticket for transportation. Check-in to your accomodation. Grab your first coffee.
Day 2 - Orientation
Come to KLU. Meet your cohort and your hosts. Make your first connections.
Day 3 - Get comfy
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KLU Experience 📖
See what our three-week program has to offer.
During the Summer School, you can expect an exciting mixture of lectures, group work, company visits, social activities and last but not least a final presentation to show off what you learned over the past three weeks.
During the whole program, we will provide you with beverages, snacks and lunch - so you can give it your all! 😉
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You will find all lecture materials on our moodle platform. You will be invited to moodle before your arrival and get the login data in a separate email. Presentations, class work, and the like will be shared on moodle.
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Everything you need to know 🧠From weather forecasts to U-Bahn routes and emergency numbers, we’ve got you covered.
Transportation
To travel from the airport to Hamburg city center or your accommodation, you can take the S-Bahn which is safe and affordable. You can get a one-way ticket at a machine at the train station which is located directly at the airport.
For your stay with us, we will provide you with a transportation ticket which you can use within Hamburg. You can take buses, tubes, the harbor ferry and the S-Bahn with this ticket. Please always carry the ticket with you and have an ID card or any other form of identification with you, as tickets may be checked on the train.
Using public transport in Hamburg is safe, and locals and tourists take the tube, S-Bahn and busses daily.
Meals
During the week (Mondays to Fridays, except Wednesdays), lunch and snacks during the coffee breaks will be provided. The lunches will be vegan and there will be soft drinks and water on campus. On Wednesdays, which will be excursion days, please bring your own lunch and drinks. Please note that there will not be any breakfast on campus, so make sure that you eat something before getting to class.
Weather
Early summer in Hamburg is usually mild and pleasant, with average daytime temperatures between 18 and 25°C. Evenings can be cooler, so bringing a light jacket or sweater is recommended.
Weather conditions can change quickly, and occasional rain showers are not unusual, so packing a small umbrella or rain jacket is a good idea. Comfortable shoes and layers will help you stay prepared for sunny afternoons as well as breezy moments by the water.
Safety
Hamburg is generally considered a safe city for both residents and visitors. The city boasts a low crime rate, and its public transportation system is well-maintained and secure.
However, like any major urban area, it is wise to stay vigilant in crowded places and be cautious with personal belongings to prevent petty theft. In Germany, the emergency numbers are 112 for fire and medical emergencies and 110 for police assistance.
The German police are known to be approachable and helpful, ensuring public safety and providing assistance to those in need.
Shopping
Supermarkets such as Aldi, Lidl, and Penny offer affordable everyday essentials, while Edeka and Rewe provide a wider range of products at slightly higher prices.
Most shops accept credit cards, but it’s advisable to carry some cash for smaller stores.
In Hamburg, as in the rest of Germany, shops and supermarkets are closed on Sundays. If you need something urgently, some stores at the main train station remain open. Restaurants, cafés, and bars are generally open on Sundays, though opening hours may vary.
WhatsApp Group
We have created a WhatsApp Group (KLU Summer School in Sustainability 2024) to communicate meeting points and times for the excursion days, tackle your daily questions, or let you know about any changes in the schedule. You will receive an invitation shortly before your arrival.
Meet the Team 👋From first questions to final presentations, we’re here every step of the way.
Hamaidi Stulos
Program Manager Summer School in Sustainability
Prof. Dr. Johannes Meuer
Academic Director Summer School in Sustainability, Associate Professor of Sustainability Strategy and Operations, Co-Director Center for Sustainable Logistics and Supply Chains
Prof. Dr. Johannes Meuer