Is that steam?

Temperatures in the world’s oceans have broken fresh records, testing new highs for more than a month in an “unprecedented” run that has led to scientists stating the Earth has reached “uncharted territory” in the climate crisis.

The rapid acceleration of ocean temperatures in the last month is an anomaly that scientists have yet to explain. Data collated by the US National Oceanic and Atmospheric Administration (NOAA), known as the Optimum Interpolation Sea Surface Temperature (OISST) series, gathered by satellites and buoys, has shown temperatures higher than in any previous year, in a series stretching back to 1981, continuously over the past 42 days.

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Prof Mike Meredith of the British Antarctic Survey said: “This has got scientists scratching their heads. The fact that it is warming as much as it has been is a real surprise, and very concerning. It could be a short-lived extreme high, or it could be the start of something much more serious.”

Yeah that’s not good. “We didn’t expect this, and it’s bad” is not what we want to hear.

Warming oceans are a concern for many reasons. Seawater takes up more space at higher temperatures, accelerating sea level rise, and warmer water at the poles accelerates the melting of the ice caps. Hotter temperatures can also be dire for marine ecosystems, as it can be difficult or impossible for species to adapt. Corals in particular can suffer devastating bleaching.

But it’s all worth it because we can take cruises.

Some scientists fear that the rapid warming could be a sign of the climate crisis progressing at a faster rate than predicted.

What I mean – we really don’t want to hear that. It was already horrific. Now it’s even worse. One gets the feeling it’s never going to be “Hey folks it’s not as bad as we thought, whew!”

Mark Maslin, professor of Earth system science at University College London, said the climate crisis was taking hold before our eyes. “Climate scientists were shocked by the extreme weather events in 2021,” he said. “Many hoped this was just an extreme year. But they continued into 2022 and now they are occurring in 2023. It seems we have moved to a warmer climate system with frequent extreme climate events and record-breaking temperatures that are the new normal. It is difficult to see how anyone can deny climate change is happening and having devastating effects around the world.”

I think it’s pretty easy, really. Denial is a lot pleasanter than the alternative.