The National Trust of Guernsey is pleased to join with other organisations across the Bailiwick to mark Earth Hour at 8:30 p.m. on Saturday, 25th March 2017. Earth Hour is an annual global celebration, co-ordinated by the Worldwide Fund for Nature, where people switch off their lights for one hour to show they care about the future of our planet. You can find further information at www.wwf.org.uk.