| http://www.w3.org/ns/prov#value | - couraged to switch off all unnecessary lighting, computers and electrical equipment when they leave work on Friday evening.Founded in Australia, Earth Hour is now marked all over the world, with lights switched off at famous landmarks such as the Eiffel Tower, the Sphinx and Pyramids of Giza, the Empire State Building and Buckingham Palace.The university's Sustainable Campus Program ensures the bu
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