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The UK's first city mayor to declare a climate crisis has been questioned for flying nine hours to attend a conference to urge leaders to cut CO2.

Bristol Mayor Marvin Rees told the TED conference in Canada that city mayors could influence carbon policy.

Climate campaigners Flight Free UK calculated the trip created 2.016 tonnes (2,016kg) of CO2 per passenger and was at odds with his message.

The mayor's office said he had a full agenda with networking opportunities.

A spokesman said the mayor was invited at the expense of the TED organisation as a speaker to share ideas and help change attitudes.

https://www.bbc.co.uk/news/uk-england-bristol-61596817

Do as I say, not as I do