Warming ocean water is turning 99 percent of these sea turtles female

Rising temperatures are skewing population ratios toward extreme imbalance

green sea turtle

TURTLE TROUBLE  Green sea turtle populations in parts of the Great Barrier Reef are becoming increasingly female because their eggs are being incubated at higher temperatures due to warming ocean waters. 

Howcheng/Wikimedia Commons (CC0 1.0)

Warming waters are turning some sea turtle populations female — to the extreme.