UN warns climate crisis close to ‘point of no return’ as climate conference begins

The climate crisis could soon reach the point of no return, the United Nations chief António Guterres has warned,  describing the global response so far as ‘utterly inadequate’.

Delegates from almost 200 countries are in Madrid for the two week UN climate conference –   intended to set out the next phase of action to tackle global warming. And the sense of urgency could not be more critical.