This has to be the year the world agrees on climate change, says Obama in Alaska – video

The US president has urged world leaders to agree to cut carbon emissions at a UN summit in Paris later this year. Speaking in Alaska, Barack Obama said the US recognises its role in creating climate change and will 'embrace' attempts to solve it. 'The fact is that climate is changing faster than our efforts to address it. That, ladies and gentlemen must, change,' Obama said