Earth Hour

Cities already listed to participate in Earth Hour 2009 include Cape Town, Chicago, Copenhagen, Dubai, Hong Kong, Istanbul, Las Vegas, Lisbon, London, Los Angeles, Manila, Mexico City, Moscow, Nashville, Oslo, Rome, San Francisco, Singapore, Sydney, Toronto, and Warsaw.

On this special night, the world will witness some of the most recognisable landmarks on the planet dim the lights in support of decisive action on climate change. Icons switching off include the world’s tallest hotel building in Dubai - the Burj Dubai, the tallest free-standing structure in the Americas - the CN Tower in Toronto, Moscow's Federation Tower and in Rome - Quirinale - the official residence of the President of the Italian Republic, Giorgio Napolitano.

Auckland's Sky Tower - the tallest tower in the Southern Hemisphere will go dark, joined by Australia’s iconic sails of the Sydney Opera House and across in Cape Town, South Africa, the iconic Table Mountain will mark Earth Hour by turning off its flood lights.