Table Mountain in Cape Town is among the world landmarks that will go dark from 8.30pm to 9.30pm on 27 March, as part of the Earth Hour initiative which calls on individuals, businesses, governments and communities to turn off their lights for one hour to show their support for action on climate change.

The worldwide "switch off", a global initiative of the WWF, aims to get billions of people in cities across the world to turn off their lights for one hour in a demonstration of support for determined international action on climate change.

Earth Hour co-founder and executive director Andy Ridley said the actions shown by cities of the world and their inhabitants were crucial to leading a low-carbon resolution to climate change.

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