13th
http://tinyurl.com/6l9a32
Reuse exists in all fields I guess: Chinamma Chilakamma song from Meenaxi (Hindi) now appears in Sakkarakatti (Tamil)

Cartoon by Toothpaste for Dinner
Sometime back I read that Olympia Tech Park in the city had employed techniques for conserving and utilizing energy efficiently. They had cut down on Carbon emission and adhered to various norms in the industry. This reduction in Carbon emission resulted in Carbon Credits i.e they were emitting lesser Carbon than was allowed so the difference was credited to them. The Credits could be traded or sold to organizations that needed them, for example in the energy industry where emissions were exceeding the allowance.

Sample certificate from Enviro Friendly Products
In the past few weeks, I have noticed many IT companies trying to get into an ecological drive and terms such as Green IT have become buzzwords. The rise in such efforts could be attributed to:
Though, in my opinion, it is due to the last mentioned reason :) But whatever the real reason, it is a step in the right direction and hope more organizations start such initiatives. I also hope that the government rewards and encourages these organizations with tax reliefs.