What You'll Need:
dremel w/ cutting bit and/or x-acto knife
drill (or dremel w/ drill bit)
hanging light cord (I used an Ikea Sekond cord, but Ikea also has the Hemma cord or here's one on Amazon.)
First, remove the globe from its stand. Depending on the kind of globe you have it might be a bit difficult, mine was kind of a pain.
Since your globe has latitude lines on it, you can use that as a line to follow when cutting your hole in the bottom. I used 45º S for mine, but you can pick any, depending on how large you want the opening to be.
Using your dremel with a cutting wheel bit, or just using an x-acto knife, cut along the line to make the hole in the bottom of your light. Make sure you use goggles if you're using a dremel because it'll fling particles up at your face. I did most of mine with a dremel and then used an x-acto to cut any pieces that were left holding the bottom on.
If you'd like light to show through little holes on in the side of the globe, use a drill or your Dremel with a drill bit and drill little holes! I drilled holes along the edges of the continents for mine. A fun version of this lamp could be painting the globe black and then drilling star constellations in the sides!
Once your holes are all drilled, unscrew the piece from the light cord that secures the shade and then push the threaded end of the cord through the hole you made at the top of the globe. Screw that piece back on the threads from the inside of the globe to secure the globe shade to the cord.