MARERENI, Kenya — One day in April, at a few minutes past six in the morning, the sun’s golden rays lit up the sea on Kenya’s coast. A few early-rising fishermen stood shoulder-deep in the sea, working their nets in pairs. On the beach, a few meters from the entrance to Giriama village, Daniel Katana and two others stood over a patch of sand. They had dug in a foot deep to reveal a nest of 122 sea turtle eggs. Smooth and soft-shelled, they resembled golf balls in size and shape. Katana held one egg and stared at it searchingly. “They will hatch in a few weeks,” he said with certainty. In years…
