Former US Vice President, Al Gore during an interview for the UK premiere of "An Inconvenient Sequel" in London. Photo: AFP Contributor/AFP via Getty Images/NTB scanpix

Al Gore fund makes 'dream come true' for green power start-up with stake in $4.6bn Octopus

Former vice president's Generation Investment Management to put up to $600m into UK-based renewables and retail energy group

28 September 2021 8:07 GMT Updated  28 September 2021 8:07 GMT