Nature: Hurricanes may become rarer in the Atlantic throughout the 21st century if the world continues to warm, suggests a new study. The research is the latest to address the question of how – and whether – global warming will affect the intensity and frequency of hurricanes. Globally, the number of major hurricanes has shot up by 75% since 1970. And although rising ocean temperatures are generally accepted as the key culprit – hurricanes can only form where sea surface temperatures …