Aboard the research ship RV Laurence M. Gould, cruising along Antarctica’s west coast, according to Carlos Moffat, chief scientist, Palmer Long Term Ecological Research Program: “Even as somebody who’s been looking at these changing systems for a few decades, I was taken aback by what I saw, by the degree of warming that I saw… We don’t know how long this is going to last. We don’t fully understand the consequences of this kind of event, but this looks like an extraordinary marine heatwave,”