This video gives a short summary on how data and analytics can make our planet smarter, and thus help reduce waste. It was made already in 2010, so it is interesting to think what has become reality, what developments have been faster and what slower than anticipated.

You can read IBM's blog on Smarter Planet initiative at http://asmarterplanet.com. 

https://youtube.com/watch?v=sfEbMV295Kk