Earth Hour is a global action against climate change.
It started in Australia in 2007 and it has grown to a global day of action. Last year 135 countries across every continent took part.
Organisers hope this year will be even more successful.
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The Bad Seeds singer said his shows in Tel Aviv are a way of standing up to an anti-Israel boycott campaign that seeks to 'bully musicians'.
The rambling speech came just hours after the country's ruling party voted to sack Mr Mugabe as their leader.
A post-mortem examination 'has not identified any injuries to suggest any other person was involved', Dorset police said.