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Gallery video - Questa notte torna l'ora solare
Nella notte tra oggi e domani torna l'ora solare.
Le lancette dell'orologio andranno riportate indietro di un'ora, dalle 3 alle 2. L'ora legale tornerà il prossimo 27 marzo e durerà sino al 30 ottobre 2011.
Dalla Gran Bretagna il consiglio di tenere l'ora legale
Il ritorno dell'ora solare è un guadagno in termini di sonno e di salute? Non secondo tutti: un professore del Policy Studies Institute dell'università di Westminster di Londra, Mayer Hillman, consiglia infatti di adottare l'ora legale tutto l'anno. L'allungamento forzato della giornata, secondo lo studioso (esperto di tutela dell'ambiente e qualità della vita), stimolerebbe le persone a fare più esercizio fisico e dunque a essere più sane e più felici.
Un'altra ricerca, dell'università di Cambridge, sostiene poi che non cambiare l'ora durante l'inverno permetterebbe alla popolazione britannica di immettere nell'atmosfera mezzo milione di tonnellate di emissioni di anidride carbonica in meno ogni anno.
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