The focus of World Water Day this year is transboundary waters: sharing water, sharing opportunities. UNECE and UNESCO are the lead UN agencies this year. Read more on the official UN World Water Day website.

On Saturday 28 March 2009 at 8.30pm, people, businesses and iconic buildings around the world will switch off their lights for an hour for  WWF’s Earth Hour. The goal is for a billion people around the world to sign up and switch off their lights for one hour.