Red-headed people may be one of the victims of climate change, with research that suggests the ginger gene evolved to give people in darker climate a greater opportunity to create vitamin D also meaning less cloudy skies could see gingers evolving away.
Speaking of the fate of the red-head gene in a warmer future planet, Dr Alistair Moffat from ScotlandsDNA said: "If the climate is changing and it is to become more cloudy or less cloudy then this will affect the gene. If it was to get less cloudy and there was more sun, then yes, there would be fewer people carrying the gene."
But it would take hundreds of years and may not happen at all as it's all sort of theoretical work at the moment. [Independent]
Image credit: Red-head from Shutterstock