Heatwave safety for travellers: Officials across Europe and the US are urging people to rethink plans as record-breaking heat drives deaths and health warnings, with guidance focused on avoiding midday exposure and coping with extreme temperatures. Luxembourg grid resilience: Despite near-40°C conditions, Luxembourg avoided electricity bottlenecks; Creos says grid load rose only 5–6% and solar generation helped, while the network is built around the N-1 backup rule. EU heatwave response: The European Commission says heat planning is mainly a national job, while it stands ready to support via the EU Civil Protection Mechanism; meanwhile, hospitals across Europe report strain and excess deaths keep rising. Water stress in Luxembourg: LIST hydrologist Laurent Pfister warns that river impacts lag the heatwave; water temperatures are already up and oxygen down, stressing aquatic life, as Luxembourg shifts toward a more Mediterranean-style climate. Local climate adaptation: Parc Merveilleux is using shade, cooling schedules, and air-conditioned indoor space to protect animals during the heat. Storm follow-up: Meteolux issued a yellow thunderstorm warning for Luxembourg overnight into Monday, with heavy rain, gusts and hail possible. Cross-border waste enforcement: Luxembourg and France carried out joint inspections to stop illegal waste shipments, fining offenders and turning back loads without proper documents. EU renewables & storage push: CINEA launched another call for cross-border renewable energy projects, and the Commission backed a tripartite energy storage agreement to speed deployment and strengthen system flexibility. Textile waste crackdown: Germany joined France and the Netherlands in pushing tougher EU rules against ultra-fast fashion, aiming to cut short-lived, hard-to-recycle clothing.