There's more than enough for humanity to worry about, but in the seafood industry, this week's oppressive heat in the UK was yet another reminder that while climate change can be slow moving, there are tipping points that can can have a sudden impact on the lives of people and animals.

Though none of the UK's sizeable farmed salmon production was affected in the heat wave, plenty of other parts of the salmon farming world have suffered massive losses from climate-related incidents in the past few years.