Climate change: 'Bleak' outlook as carbon emissions gap grows
Countries will have to increase their carbon-cutting ambitions five fold if the world is to avoid warming by more than 1.5C, the UN says.
The annual emissions gap report shows that even if all current promises are met, the world will warm by more than double that amount by 2100.
Richer countries have failed to cut emissions quickly enough, the authors say.
Fifteen of the 20 wealthiest nations have no timeline for a net zero target.
Hot on the heels of the World Meteorological Organization's report on greenhouse gas concentrations, the UN Environment Programme (Unep) has published its regular snapshot of how the world is doing in cutting levels of these pollutants.
The emissions gap report looks at the difference between how much carbon needs to be cut to avoid dangerous warming - and where we are likely to end up with the promises that countries have currently committed to, in the Paris climate agreement.
The UN assessment is fairly blunt. "The summary findings are bleak," it says. "Countries collectively failed to stop the growth in global greenhouse gas emissions, meaning that deeper and faster cuts are now required."
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