The Great Wall of China took part in this year's Earth Hour. Everyone around the world is asked to turn off lights for an hour from 8.30pm local time as a show of support for tougher action to confront climate change.
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Phone charges in the European Union will drop by about 75 per cent from today as part of an interim cap ahead of a full ban next year.
Councils in England and Wales wants compulsory flood-proofing measures put in place for new homes and businesses in at risk areas.
The Duke of Cambridge has paid tribute to the veteran broadcaster in a special programme ahead of his 90th birthday on May 8.