 On 15 September 2010, Berry, along with 54 other public figures, signed a BHA open letter published in "The Guardian", stating their opposition to Pope Benedict XVI's state visit to the UK.From June 2011 to late 2015, Berry worked as a roads and sustainable transport campaigner for the charity Campaign for Better Transport.In April 2016, it was reported that Berry had been monitored by the National Domestic Extremism and Disorder Intelligence Unit, in apparent contradiction of assurances by Sir Bernard Hogan-Howe, the Commissioner of the Metropolitan Police, that the unit would not target peaceful campaigners.