Why does Apple make its own sweat?

Why does Apple make its own sweat?

Image source: Youtube

For the Earth Day 2017, Apple posted a video on its Official Youtube channel with the title: "Earth Day 2017 — Why does Apple make its own sweat? — Apple"

Because of the Earth Day is very important, so I think Apple, a very big phone company, should mention about the Earth Day.

Why Apple talks about sweat here for the Earth Day?
Sweat is human body's waste. So, it's really related to environment. That's why the thing Apple mentioned about for the Earth Day.

Let's find out more about the video below:
Earth Day 2017 — Why does Apple make its own sweat? — Apple


We even should know more about Apple videos for the Earth Day below:
Earth Day 2017 — Can we produce zero waste? — Apple


Earth Day 2017 — Can a building breathe? — Apple


Earth Day 2017 —Do solar farms feed yaks? — Apple