Extinction Rebellion exploded onto the climate scene with a news article in The Ecologist. Five years later, the founders review its presentation of the science.
Just Stop Oil has followed Insulate Britain and Extinction Rebellion in taking climate action to the streets - but will its strategy cut through to the public?
Campaigners are pledging to go to prison, if necessary, for blocking oil refineries up and down the country this spring as part of the Just Stop Oil campaign.