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Climate: from mitigation to adaptation
Updated 1h ago
2/5
The world has crossed the 1.5°C warming threshold, forcing a pivotal narrative shift from solely preventing climate change to urgently adapting to its irreversible impacts, with the EU now advancing a binding legal framework amid escalating, continent-wide crises.
Hydrologists issued a warning about rapid soil moisture and groundwater depletion due to successive heatwaves, while Western Europe prepares for its third major heatwave.
State of play
The EU's political compromise on the Climate Resilience Act has formalized a bloc-wide adaptation framework, but its implementation is immediately challenged by the scale and simultaneity of national crises. Europe is now operating under a new climate baseline, with western Europe having just experienced its hottest June on record, averaging 3.05°C above the 1991-2020 norm, surpassing the previous record from June 2025. Meteorological agencies in Germany and France characterize the persistent heat dome conditions as historic, reinforcing that such extremes are driven by anthropogenic warming and must be planned for as recurring events. European temperatures have risen by about 0.56°C per decade since the mid-1990s, making it the fastest-warming continent, mainly due to global fossil fuel emissions. A new analysis confirms that recent consecutive May and June heatwaves across France, Germany, Italy, Spain, and southern England were significantly worsened by human-caused climate change. Heat-related risks are now reaching everyday urban life across Europe, with repeated record-breaking heatwaves affecting a large share of cities.
Emergency Response and Public Health
Record-breaking heatwaves across southern, central, and eastern Europe have triggered emergency measures, including the activation of heat-health action plans and the opening of cooling centers. Several cities have reported spikes in heat-related hospital admissions and excess mortality, particularly among elderly and low-income populations, prompting renewed focus on urban adaptation strategies. Public health agencies and the WHO's regional office are issuing renewed alerts that extreme heat and climate-driven weather events are becoming the norm, posing systemic threats to vulnerable populations. The European Commission estimates over 20,000 excess deaths across Europe in late June alone, with heat identified as the continent's primary climate-related killer. French authorities have reported at least 40 heat-related fatalities, school closures, and rail disruptions, illustrating how existing infrastructure and emergency planning are misaligned with the new climate baseline. Effective climate adaptation also requires robust communication and risk literacy, as evidenced by challenges in fact-checking infrastructure failures during the heatwave. The EU has issued new extreme-heat guidance as early modeling suggests more than 20,000 deaths in the late-June heatwave. Belgium reported 1,222 excess deaths and the Netherlands around 480 excess deaths during the late-June heatwave, primarily among people over 80, highlighting the vulnerability of older populations.
Water Security and Wildfire Preparedness
Southern European governments are hardening water-rationing and desalination plans, with Spain, Italy, and Greece extending emergency drought decrees and accelerating new water infrastructure projects. Reservoir levels remain critically low, leading to stricter limits on irrigation and urban consumption. Mediterranean countries are also increasing budgets for aerial firefighting and early-warning systems, preparing for longer, drier, and more intense wildfire periods. Accelerated glacier retreat in the Alps, with Swiss glaciers losing about 3% of their volume in a single recent year, signals mounting risks for water supply and hydropower across central Europe. The early melt of snow cover on Swiss glaciers, weeks ahead of schedule, indicates another year of substantial ice loss, further stressing Alpine water resources. Drought conditions are intensifying across parts of central-northern Europe and the southern UK, threatening crops and vegetation. The European Commission is preparing a Water Resilience Strategy, expected to be operational from 2026, to address structural water stress affecting 20-30% of the continent. The European Commission's Drought Observatory reports that drought conditions worsened in most of Europe in mid-June, with over half of Europe and the Mediterranean basin experiencing drought in July for the fourth consecutive month. Wildfires have spread across southern France, Spain, Portugal, and Greece, forcing evacuations and disrupting transport links, highlighting the increasing overlap between heat, fire, and transport risk. These multi-country wildfire impacts highlight uneven levels of preparedness in southern EU member states and the growing urgency of landscape-scale adaptation. France has taken three nuclear reactors offline and limited eight others due to river temperatures during its third heatwave of 2026. Hydrologists warn that successive heatwaves are rapidly depleting soil moisture and groundwater, necessitating a portfolio of adaptation measures including efficient irrigation, leak reduction, and wetland restoration. Western Europe is bracing for its third major heatwave, with temperatures above 40°C forecast, increasing wildfire danger and testing energy grids.
Key events
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This week
- Western Europe is preparing for its third major heatwave of the summer, with temperatures above 40°C expected.
- Hydrologists warn successive heatwaves are rapidly depleting soil moisture and groundwater across Europe.
- Forecasted extreme heat raises wildfire danger and tests energy grid capacity in several countries.