I read this article last night, about using Twitter to make machines talk, specifically Tower Bridge. "What a fantastic idea", I thought to myself. "Maybe I can do the same thing for something around climate change". Also, being a complete geek, it would be "fun" to do some coding that wasn't exactly work-related.

 

So, a couple of hours of Ruby hacking later, and we now have atmospheric CO2 updates on Twitter. Each month, it posts the latest global average CO2 levels, as calculated by the NOAA.

 

As well as that, it's open source, so if you are interested in that sort of thing, you can get the code from Google Code.