Global warming may not be so bad for sea turtles — at least, not at first. One of the quirks of sea turtles, along with many other reptiles, is that temperature determines the sex of their offspring. Researchers from Swansea University in Wales calculated how that will change for one major population of sea turtles as the globe warms over the next century, and while they found that it would mean a growing population at first, eventually there will be too few males around. The possibility of sea turtles becoming extinct is not a far-fetched scenario.Their research, which is being published today in Nature Climate Change, was focused on a population of loggerhead turtles in Sal, Cape Verde, an island to the west of Northern Africa.
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