Photo credit: https://www.pexels.com/search/iceberg/

This is what happens when an iceberg forms:

A forming iceberg is composed of fresh water. This action leaves more salt behind in the surrounding ocean. Salt water is denser and heavier, which will cause it to sink.

The water is very cold in the poles, and will sink as well, drawing the warmer surface water from the North Atlantic Current upwards.

This fuels the Global Conveyor Belt. A similar action occurs in the Antarctic region.

This conveyor belt is the moderator of climate for the planet. It pulls the warmer water from the equator towards the poles, and then the colder water southwards.

Big deal, right? I’ll explain why it is actually a big deal in my next post!