Heat & Cities: Luxembourg City is weighing how to protect schools as heatwaves worsen, after a recent episode left classrooms at about 35°C and the city resisted air conditioning on energy-sustainability grounds, opting instead for fans and emergency support. Home Cooling Guidance: Klima-Agence urges residents to keep heat out—close shutters early, open windows only when cooler outside, and improve insulation—while a nationwide yellow heat alert warns of fatigue and exhaustion. Energy Transition Plan: Citizens for Ecological Learning and Living (CELL) says Luxembourg could cut energy use by nearly 70% by 2050 and virtually eliminate CO2, arguing renewables must be paired with efficiency, sufficiency, and better public conditions for lower-demand choices. Worker Safety in Heat: Unions push for binding EU rules letting employers halt work when temperatures exceed set thresholds, citing major heat stress risks for millions of workers. Biodiversity & Health: ECDC warnings highlight rising mosquito-borne disease risks in Europe, urging action beyond “stone age” protection. Renewables Market Move: TotalEnergies completed the sale of 170 MW of distributed solar assets across several countries including Luxembourg, shifting focus to larger-scale projects. Local Housing Reform: The government unveils a national building code to replace 100 municipal rules, aiming for faster housing delivery with climate resilience and heat-adaptation in mind.