18:00Six O'Clock News18/01/2018 Warmest year without El NiñoBBC Radio 4 Duration: 30 minutes Thu 18th Jan 2018, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowScientists say manmade climate change is now dwarfing the influence of natural trends on the climateGenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online