A banner at the Stop HS2 Great Missenden roadside camp is seen on 17th July 2020 in Great Missenden, United Kingdom. Environmental activists from groups including Stop HS2 and HS2 Rebellion continue to protest against HS2, which is currently projected to cost £106bn and which will remain a net contributor to CO2 emissions during its projected 120-year lifespan, on environmental and economic grounds.