JonPritchard published Landmarks plunged into darkness during Earth Hour

Landmarks across the UK fell into darkness for an hour today as part of an annual drive to increase awareness of climate change.The World Wide Fund for Nature (WWF) encouraged businesses and residents to go without electricity for an hour between 8.30pm and 9.30pm this evening to highlight their campaign for action against climate change.First staged in Sydney, Australia, in 2007, Earth Hour has grown to a global event, with more than 172 countries taking part and over 10,400 landmarks and 7,000