Hurricanes, typhoons and tropical storms may be more powerful than usual this year thanks to a record-breaking spike in global ocean temperatures.
The global average sea surface temperature hit a record high of 21.1°C on 1 April, according to data from the National Oceanic and Atmospheric Administration (NOAA) in the US and compiled by the University of Maine.
This beats the previous record of 21°C set in March 2016, and is more than 0.5°C warmer than is …