Greta Thunberg has pleaded not guilty at a court in London on Wednesday morning after being charged with a public order offence at a London protest.The 20-year-old was arrested near the InterContinental Hotel in Mayfair on October 17 whilst protesting against the Energy Intelligence Forum taking place inside.She appeared at Westminster Magistrates’ Court accused of breaching Section 14 of the Public Order Act 1986, namely failing to leave the highway and continue the protest on the pavement.Thunberg was bailed after being charged and subsequently joined other climate protests in London organised by Fossil Free London – outside JP Morgan in Canary Wharf on October 19, and outside London’s Guildhall on Monday.