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Sunny future

The use of solar panels for energy production is a standardized process with decent returns on investment. Combined with heat pumps and the potential of decentralized energy production, storage and consumption makes jointly for reducing emissions. The planning, investment and installation with digital tools allows to reap further benefits through the ease of coordination of all processes. The « All electric society » will take hold of homes and mobility. The climate and business case for this societal change is obvious, but the risk of new forms of inequality may arise between the one able to make such transitions now and the ones without the means to shoulder investments at the same time with other budget restrictions. The change has to start in our minds first before action will follow. In any case, the solar future takes hold of more and more people. Have you checked your amount of solar energy production already today?

Solar panel energy
Screenshot
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Smart Heat Pumps

The potential to reduce CO2 emissions through the replacement of fossil fuels with heat pumps is huge. The technology is well known and has reached a considerable amount of maturity in the mid 2020s. Noise is much less an issue even at higher compression rates and during the use of booster functions to cater for peaks of hot water or home heating. Combined with solar energy the local production and consumption of energy turn each household into a “prosumer” of energy. Besides the initial investment you have to find capable technicians and enterprises that master the installation of the technology with the necessary care and ensure the adequate calculation of the envisaged energy needs of the household. Household and family size matter, and this is not easy to project into the future. Additional saving potentials can be harvested through the use of smart home applications. Switch off the heating before you leave or if a longer than previewed absence occurs. Just do it if you are away from home. Alternatively, just start the heating when you get on your way back home from work rather than at previously estimated, but fixed times. Smart technology is just perfect for such use cases.

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testing testing

Before the installation of the new AI chatbots or other agentic AI, they need profound testing. Wise statistics are quoted with the conviction: it is all about testing, testing, testing. Any systems that build on statistical reasoning (LLMs or machine learning) will behave erratically on what is known as an area with stronger impacts of, for example, statistical outliers. On both ends of the “normal distribution” of events or reasoning the statistical models and algorithms used in AI will produce “spurious” errors or have larger error margins on such topics a bit off the 95% of usual cases.
This means, testing, testing and testing again for the programmers of such AI systems before the release to the public or enterprise specific solutions. The tendency to keep costs of testing phases low  compared to developing costs bears obvious risks to the “precautionary principle” applied in the European Union. Testing is most important to check the WEIRD bias of the most basic AI systems. In this sense AI development has become a sociological exercise as they have to deal with “selection bias” of many kinds that could have very expensive legal consequences.
(Image: Extract from Bassano, Jacopo: Abduction of Europa by Zeus, Odessa Museum treasures at exhibition in Berlin Gemäldegalerie 2025-5).

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AI Workday

Our workdays have seen considerable changes throughout the last few days. The home office boom has allowed employees to work for extended hours from home. The there is an abundant literature on the effects of home office work on well-being or the work-life balance. Productivity gains could be reaped by employers and a better work-life balance was a lasting advantage for employees.
The increased use of AI specific to some occupations has introduced a new form of added  productivity for some occupations or professions, AI as complementarity, whereas other occupations suffered a higher risk of being substituted by AI applications.
Based on time diary data, the study by Wei Jiang et al. (2025) reports that users of AI have longer work time and reduced leisure time. Competitive labor markets increase the pressure to put in even higher hours of work. Nerds, just like workaholics, are likely to be drawn into excessive hours of work with increased health risks. Enterprises and consumers appear to be gaining more than the employees, who are at a higher risk of loosing out on their work-life balance over time.

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Archers destroyed

In the attempt to explain modern warfare to people, the Roman and medieval languages are staging a comeback. The archers have found their way from warfare into art history and back again. George Barros explains recent defensive actions by Ukrainian military forces as the strategy to put the archers out of power rather than the arches.
Destroyed or unfit air planes can no longer launch missiles or bombs. The Russian reserves are, however, fairly numerous, but the air strikes on the modern archers have demonstrated an astonishing military intelligence on the Ukrainian side. The technological advances of the Ukrainian military services may shift the balance or raise the costs of war to Russia, considerably.

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Travel Trumped

The travel and tourism sector of the U.S economy takes quite a hit from Trump‘s anti Canada and Europe tariffs and rhetoric. The Wall Street Journal (2025-6-3) reports data until May 2025  which show a 6% decline in international air travel and a 12% reduction in air arrivals from Europe (reference same period last year). Canadians seem to reduce their travels to the US as well, hitting many regions just across the long joint border. Airline bookings are an early warning indicator, but the more drastic figures are to be expected from the loss of spending tourists do not dispense in the US any more. Additionally, sizeable shares of US tourists travel to other countries due to the disgusting Trump rhetoric and spend their holiday budgets elsewhere. Trump‘s tariffs has focused a lot on redressing the trade balance of goods, but the balance of services like in tourism is worsening day by day now. The political economy of tariffs has multiple feedback effects which are quite hard to predict.

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Citizen Walk

Capitals like Paris and Berlin make great efforts to improve the walkability of their cities. After decades of focus on automotive traffic and mobility and the detrimental effects on health for several generations of people, the awareness that walking citizens are part of the solution is spreading. Citizens of Paris voted in a referendum to stop circulation of cars in 500 more streets. In Berlin pedestrians unite to mobilize more people to take to the streets as well and reclaim walking space. In high density spaces like metropolitan areas it is possible to reach all major amenities within a reasonable walking distance. The more spread out suburban area, however, leve fewer options to walk and carry your shopping or do your dily commute to work while walking. Fewer cars and pharmaceutical products sold would mean less „artificial economic growth, but more healthy and happy citizens. It will take decades again to realize such visions.

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Paris Gare

Train stations in metropolitan inner cities are hot spots of traffic and mobility. The number of people passing through these exchanges are impressive. Public transport systems are continuously put to the test of their capacity to handle passengers who want to get from A to B the fastest way possible. In Paris the RER lines, metro and buses to a great job in handling the affluence of passengers. The comparatively small number of passengers arriving and departing nyy taxi, however, still take a disproportionate amount of space. That’s part of the differentiation or inequality of mobility in Paris. Person‘s in need of assistance should have special access to central points of mobility like train stations. Everybody else could rely on shared modes of transportation otherwise the millions of inhabitants will not be able to get around in a comfortable way.

 

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Memories updated

In Berlin and many other German cities it is a regular practice to scrutinize the memory inscribed into street names. In order to correct the honors given to persons with a past as fascist or responsible for mass killings street names were changed at several points in the history of the city. Streets named after battle fields, for example, are a continuous point of discussion. It is important to keep the perspectives of victims in mind. Therefore, changing street names is a little contribution to rethink the role of places and persons. Such changes are sometimes very controversial as people become accustomed to names, some might even not care much at all. Recognition and responsibility, however, have a lot of currency in historical perspective. Overpainting like in the paintings from Gerhard Richter has an important function in society and can be one way of coping with the demons of the past.

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Retirement Recruitment

The debate that later retirement of seniors reduces the hiring of youth has received new attention. Paul Mohnen published a paper on the “retirement slowdown on the US youth labor market” , which demonstrates this “crowding out effect”. Moreover, the recruitment of middle aged workers is also affected, as job changes slowed down for these age groups. The surprising finding is that higher skilled youth suffers the largest reduction in employment opportunities and become “pulled” into lower skilled jobs as jo offers for lower skilled persons remained high during the observation periods (until 2017!). This evidence suggests that the well-documented firm-level effect of fewer retirement means less recruitment holds also for society as a whole. Knowing that recruitment during a recession affects young workers more than persons already in employment, the macro level effects in 2025 will be rather unfavorable for young labor market entrants. (Image Frans Hals 1625, Odessa Museum in Berlin exhibition 2025).