noaaoceans
Ocean heat content data to a depth of 2,000 metersNOAA

This chart of rising ocean temperatures is terrifying

This year’s biggest climate change news was that 2014 was hottest year on record. Turns out, there’s bigger news: It was also the hottest year in the oceans, which are warming so fast they’re literally breaking the NOAA’s charts.

Don’t think you mind a little jacuzzification in your ocean? You’re wrong. Warmer oceans matter because “global warming” doesn’t just mean above average air temperatures over the course of a year — it actually refers to an increase in the total amount of heat energy contained in the Earth’s systems. While air temperatures can fluctuate on any given year, they are usually matched by an increase or decrease of the amount of heat stored in the oceans (which, by the way, absorb around 90 percent of total global warming heat). To know whether the system as a whole is getting warmer or not, scientists need to take into account the temperatures of the atmosphere, land, AND oceans.

Luckily, NOAA has been tracking ocean energy data for decades, updating its charts every few months. Unluckily, the newest data shows that, on top of 2014’s record-breaking air temperatures, ocean temperatures have also increased — to put it in layman’s terms — a shit ton. The spike is so significant that NOAA will have to rescale its heat chart…more

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On Sept 19, 2023 ahead of the Climate Ambition Summit in New York City, climate activists gathered for a rally and civil disobedience outside Bank of America Tower in Midtown Manhattan as part of the March to End Fossil Fuels wave of actions resulting in multiple arrests. Activists demand Bank of America to “Defund Climate Chaos and Defend Human Rights” Photo: Erik McGregor (CC BY-NC 2.0 Deed)

Let’s Save Each Other

Let’s Save Each Other

Illustration by Stephanie McMillan. Used with permission