A new report by the UN has revealed that global efforts to tackle climate change are way off track, as CO2 emissions rise for the first time in four years.

The emissions gap report lists economic growth as the main contributor to climate change, with huge change needed to cap global CO2 emissions and meet the goal of the Paris climate pact by 2020.

The report was published in time for a major UN climate conference in Poland, with the aim to inform delegates of the urgency to take action.