How to Make Atmospheric Lighting in Blender

Blender Guru shows how to achieve realistic atmospheric lighting using the new Cycles volumetric rendering.
Whispers of anticipation for Volumetrics have been heard amongst the Blender community for a while now.Why?
Because it allows you to create stuff like smoke, fire, fog, haze or basically any material that fills the air.
And as of a couple of months ago, it was finally added to Cycles :)
In this tutorial you’ll learn the basics of it, and how to use it to create a popular effect: Hazy Atmospheric Lighting, aka the “God ray“.

The link seems to be erroneous :)
It’s not my day today :-/ Fixed, thanks!