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IN WOKING: A glass-roofed structure has enough photovoltaic panels atop to generate more than 50,000Kwh every year, saving more than 40 tonnes of carbon dioxide emissions. -- PHOTO: MARK RICE-OXLEY
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IN PARIS: People queuing for Velib bicycles, a self-service bicycle-hire system available round-the-clock, which encourages people to cut down usage of cars. -- PHOTO: AFP
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IN VAXJO: Fir and pine chips are used to generate electricity in this Swedish city of 78,000, which aims to be completely free of fossil fuels eventually. -- PHOTO: XX
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IN LONDON: Vehicles entering the capital city's congestion charging zone. 'Electronic eyes' read registration plate numbers. Drivers pay S$24 (Monday-Friday) to enter the zone -- ST FILE PHOTO
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