Green Party co-founder: the environmental battle is lost

One of the four founders of the Green Party of England and Wales, Michael Benfield, has told the BBC it is now "too late" to save the planet from climate catastrophe.

He made his remarks at event held at the London School of Economics to mark the party's 50th anniversary. Green MP Caroline Lucas, added that the Greens did "not have another 50 years" to turn things around.

Video journalist: Thomas Mason