Greta Thunberg dismisses 'empty words' in new climate crisis appeal – video

Greta Thunberg has warned the world is failing to tackle the climate emergency and is in a state of complete denial' nearly five years after the Paris agreement.

Thunberg, 17, whose solo school strike in 2018 snowballed into a global youth movement, spoke out ahead of a UN event at which national leaders have been asked to increase their pledges on emissions cuts.

In a video shared exclusively with the Guardian, she calls on leaders to account for failing to reverse rising carbon emissions, but concluded: There is hope ... we are the hope - we, the people'

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