NEWTOK, ALASKA — Sabrina Warner keeps having the same nightmare: a huge wave rearing up out of the water and crashing over her home, forcing her to swim for her life with her toddler son.

‘I dream about the water coming in,’ she said. The landscape in winter on the Bering Sea coast seems peaceful, the tidal wave of Warner’s nightmare trapped by snow and several feet of ice. But the calm is deceptive. Spring break-up will soon restore the Ninglick River to its full violent force.

In the dream, Warner climbs on to the roof of her small house. As the waters rise, she swims for higher ground: the village school which sits on 20-foot pilings.

Even that isn’t high enough. By the time Warner wakes, she is clinging to the roof of the school, desperate to be saved.

Warner’s vision is not far removed from a reality written by climate change. The people of Newtok, on the west coast of Alaska and about 400 miles south of the Bering Strait that separates the state from Russia, are living a slow-motion disaster that will end, very possibly within the next five years, with the entire village being washed away.

The Ninglick River coils around […]