This video shows areas around the world turning off their lights for Earth Hour.
Shown in the video are Bangkok, Beijing, Kuala Lumpur, Jakarta, Moscow, Doha and Zagreb.
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Rain across central Britain with longer, intense downpours with thunder in places this evening. A lucky few will stay sunny and dry.
Planning on going to the London Marathon tomorrow? Read our handy guide first!
Labour plans to cap above-inflation rent rises over a three-year period, if they win the General Election.