Why are global ocean temperatures rising so rapidly?

The Earth is getting warmer because the oceans are acting like giant thermometers that can't cool down fast enough.

Imagine your bathtub, when you turn on the hot water, it gets warm pretty quickly. But if you leave the cold water off, it stays warm for a long time. That’s kind of what's happening with our planet. The ocean is like the bathtub, and the sun is like the hot water tap.

The ocean covers most of Earth, more than 70%! So when the sun shines down on it, it warms up a lot. But unlike your bathtub, which can cool down quickly once you turn off the tap, the ocean takes time to cool because it's so big and deep.

Also, humans are adding extra heat by putting out lots of carbon dioxide, like turning on a second hot water tap. This makes the ocean get warmer even faster, just like if your bathtub had two taps running at once!

Because the ocean is so huge, it takes time to react, but we're warming it up quickly with all our extra heat. That's why we see global ocean temperatures rising so fast, it's like turning on a hot water tap and not letting the cold one run!