Time is running out for embattled Pacific leatherback sea turtles by Marlowe Starling on 30 April 2021 Marine biologists warn that the western Pacific leatherback could go extinct without immediate conservation measures and transnational cooperation. This subpopulation has decreased at a rate of 5.6% each year for an overall 80% decline over a 28-year period, according to a recent study. While the IUCN lists the species as a whole as vulnerable, the Pacific populations are critically endangered partly because of their long migratory routes through the high seas, where they face threats like ...