As one of the effects of climate change, severe marine heatwaves are not only more frequent in all our major ocean basins; these events are also becoming ever-more costly to fishing communities, in ways we are likely under-tallying. This is the hard-hitting conclusion of research published last October in the journal Science. In some past incidents, the final bill has run into billions of dollars. Although the trend is on track to intensify in coming years, the study’s authors point out that not everything about it is cause for alarm: Fishing communities are quickly learning how to ride out – or even benefit – from marine heatwaves…