A record-breaking heatwave in June has highlighted significant challenges in Europe’s readiness to adapt to the escalating impacts of climate change, raising concerns about the continent’s ability to meet its net-zero emissions goals while managing immediate climate risks. The European Union, which has committed to achieving net-zero greenhouse gas emissions by 2050 through legally binding targets, now faces scrutiny over insufficient adaptation measures for extreme weather events that have already begun to strain infrastructure and public health systems.

Temperatures soared above 104 degrees Fahrenheit in several parts of Europe, with Spain reporting approximately 1,000 excess deaths attributed to the heat. The heatwave disrupted power supplies across the region, prompted bans on outdoor work in some countries, and forced cancellations of train services in Germany. A cargo train in Sweden derailed after the heat caused metal rails to buckle. These incidents illustrate how critical infrastructure and services remain vulnerable to rising temperatures.

Poland’s Deputy Climate Minister Krzysztof Bolesta acknowledged gaps in adaptation efforts, emphasizing that businesses have little financial incentive to invest in measures that mitigate heat-related risks. “It’s easier to see the business case for mitigation,” he said, pointing to established mechanisms such as the EU’s Emissions Trading System and subsidies for renewable energy. In contrast, adaptation is often viewed as a costly, long-term insurance policy with delayed benefits.

The EU’s approach to adaptation largely delegates responsibility to individual member states, with the European Commission asserting that national and regional authorities are better positioned to tailor responses to their specific conditions. EU Climate Commissioner Wopke Hoekstra noted that countries like Greece and Spain have more expertise on managing wildfires, while the Netherlands leads in flood defenses. He indicated that an EU-wide climate resilience plan, set to be unveiled later this year, will focus on sharing best practices and addressing common climate scenarios, rather than prescribing uniform policies.

Financial data show that between 2021 and 2025, only 18% of the EU’s climate-related budget was allocated to adaptation efforts, with 72% dedicated to emission reduction (mitigation) and 9% addressing both areas. Experts argue this imbalance hampers Europe’s ability to protect its economy and citizens from the growing frequency and severity of extreme weather.

Economic impacts are already significant. Analysis by Dutch bank ING found that heatwaves, drought, and floods reduced Europe’s economic output by roughly 0.3 percentage points last year. The effects vary regionally, threatening tourism and agriculture in southern Europe, while northern countries grapple with productivity losses due to inadequate cooling in workplaces. In Germany, for example, only about half of offices have air conditioning, compared to 90-95% in southern Europe. Geraldine Dany-Knedlik of the German Institute for Economic Research noted that building practices historically prioritized cold-weather needs, creating a “clear adaptation gap” as temperatures rise.

Some German businesses are beginning to address adaptation challenges. In North Rhine-Westphalia, the flooring company Project Floors implemented reflective window films to reduce indoor heat in its historic Cologne headquarters, a solution that avoided structural alterations restricted by heritage regulations. “It was simple, effective, and required no power,” said managing director Bernd Greve. More extensive adaptations, including revising work hours to cooler parts of the day and redesigning urban infrastructure, are also under consideration.

Progress since the deadly 2003 heatwave is evident. That summer saw around 70,000 excess deaths across Europe, whereas the World Health Organization estimates that current adaptation measures have prevented heat-related deaths from rising by as much as 80% during recent heatwaves. WHO Europe’s regional director Hans Henri P. Kluge stressed the importance of early warning systems, cooling centers, and public outreach programs in saving lives, while underscoring the need to accelerate adaptation to keep pace with rapidly changing climate conditions.