Heat Protection in Germany: How Cities Can Better Prepare for Hot Summers

On hot summer days, a city changes. Streets retain heat well into the evening. People avoid squares without shade. Air builds up inside homes. Children search for cool corners in school playgrounds, older people prefer to stay at home, and outdoor workers wait for their next break.

What was once often regarded as a brief inconvenience of summer has become a much larger question: How well prepared are our cities, buildings and social institutions for extreme heat?

Heat is more than weather. It reveals whether a city has enough trees, whether school playgrounds provide shade, whether care homes can create cool rooms, whether drinking water is easily accessible in public spaces and whether particularly vulnerable people receive support in time.

Hot days make one thing clear: A good city consists of more than streets, buildings and infrastructure. It also depends on awareness, protection and careful preparation.

Germany has begun to prepare more effectively. New regulations have been introduced, cities are developing their first heat and adaptation plans, and guidance on protecting public health is becoming more widely available. Ultimately, however, what matters is whether these measures reach people in their everyday lives.

Warnings are important, but they are not enough. Someone living in an overheated top-floor flat needs more than advice to drink enough water. A resident of a care home needs spaces where the body can recover. A child playing in a sealed school playground needs shade, water and places that do not themselves become an additional source of heat.

Heat protection is therefore becoming a new form of public care.

This changes the way we look at the issue. The aim is not to portray summer as a threat. It is to design cities in ways that allow them to remain liveable in a warmer future.

Effective preparation often begins with simple measures: trees along streets, unsealed public squares, drinking fountains, shade sails in school playgrounds and cool rooms in libraries, town halls and neighbourhood centres. Care homes, nurseries, hospitals and workplaces must also take heat into account—not only once it becomes dangerous.

Looking across Europe shows that adaptation is possible. Cities such as Barcelona and Paris are developing solutions that respond to heat not only technically, but socially as well: cool public spaces, more greenery, shade, drinking water and rooms where people can find protection. Such measures are no longer attractive extras. They are becoming essential components of a city that cares for its residents.

Japan also offers an instructive perspective. In many places, dealing with extreme summer heat has already become part of everyday life. Warning systems, clear guidance, air-conditioned shelters and particular attention to older people demonstrate that heat protection is not merely a question of buildings. It is also a culture of preparedness and care.

For Germany, this is above all an invitation to learn. Cities can become greener. Schools can create better shaded areas. Care homes can provide cool places of retreat. Neighbourhoods can pay closer attention to ensuring that no one is left alone.

Heat remains a serious challenge. But it can be managed.

With good planning, more greenery, cool spaces, clear responsibilities and greater awareness of one another, a burden can become an opportunity to learn. Heat protection then becomes more than adaptation to a warmer climate. It becomes a step towards cities that are healthier, more supportive and more liveable.

Sources: Bundes-Klimaanpassungsgesetz, Bundesministerium für Gesundheit, MDR AKTUELL, ZEIT ONLINE, WELT/dpa, The Guardian, Climate Change Adaptation Information Platform Japan, Ministry of Health, Labour and Welfare Japan.