When John Warmington first began diving the reefs outside his home in Vanuatu’s Havannah Harbor a decade ago, the coral rose like a sunken forest — tall stands of staghorns branched into yellow ...

Azure waters twinkle as the sun sinks slowly into the horizon, the sky transforming into a cocktail of colours from vivid violets to Iron Bru orange. I’ve just landed on the shores of Vanuatu, a ...