Carpe diem or killing time? Daylight saving increases fatigue, accidents, consumption, CO2 emissions Now that spring has sprung, so have our clocks! What are the long-term benefits and consequences of falling back and springing forward every six months? For a deeper perspective on Daylight saving, FRANCE 24's William Hilderbrandt is joined by Laetitia Moreau-Gabarain, President & Engineer of the French Association for a Just and Sustainable Time (ACHED).