The next two years could be the hottest on record globally, says research from the UK’s Met Office.
It warns big changes could be under way in the climate system with greenhouse gases increasing the impact of natural trends.
The research shows that a major El Nino event is in play in the Pacific, which is expected to heat the world overall.
But it also reveals that summers in Europe might get cooler for a while as the rest of the globe warms.
The scientists confirm that in 2015 the Earth’s average surface temperature is running at, or near, record levels (0.68C above the 1961-1990 average).