Benedict Cumberbatch on his Earth-saving eco film: ‘We are in the last grab of the extraction era’

‘Nature can be monetised to be protected’ … Cumberbatch in How to Live on Earth. Photograph: Conor McDonnell ‘Nature can be monetised to be protected’ … Cumberbatch in How to Live on Earth. Photograph: Conor McDonnell Documentary films Interview Benedict Cumberbatch on his Earth-saving eco film: ‘We are in the last grab of the extraction era’ Helena Horton From Obama’s chef to a big cat obsessive, the actor has gathered experts from all over the world for a film about how to heal our besieged planet. He talks about naysayers, elephant tusks – and the wonders of venison