What Is A Marine Heatwave, The Issue Putting UK Sea Life At Risk?

"These changes can result in mass-mortality events for some marine species."

The UK has seen heatwave after record-breaking heatwave this year – in fact, parts of England are still under an amber heat health alert until Sunday, July 12.

The Met Office has warned that these are now affecting our oceans, too.

They have said that at the moment, category two marine heatwave conditions are affecting English and Welsh coastlines, the English Channel, and the central and southern North Sea.

If temperatures don’t let up, they added, we could be heading for an “extreme” level four marine heatwave – “a level rarely recorded in UK waters”.

But what is a marine heatwave in the first place, and how might it affect us?

What is a marine heatwave?

On land, a heatwave officially happens when there are three back-to-back days at or above an area’s maximum temperature threshold. These........

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