When it gets hot and humid outside, nothing beats an air conditioner for cooling off. Unfortunately, air conditioners use lots of energy and can even produce emissions that are harmful to the atmosphere.

In this video, SuChin Pak and Daniel Sieberg show us how to build our own green version of an air conditioner. All it takes is a standard fan, some plastic and copper tubing, and a bucket of cold water. The best part: the water can be reused for things like watering the garden.

Find out more in this online video from G Word.

And for more about DIY green, check out G Word Episode: Worm Poop.