Climate success is possible but we must turn slogans into reality

There is no time to waste in tackling climate change but the world needs to be more ambitious in its targets, write Hilda Heine and Kevin Rudd.

When Donald Trump was elected US president a year ago, some said the end of the Paris climate agreement was nigh.

Yet, as the latest round of global climate talks in Bonn, Germany, has shown, the world’s political leaders are more committed to the deal than ever.