Developers can recycle by: 1)writing reusable/generic code 2) Use a library or framework 3) Use snippets.
Designers can recycle by: 1) Actions (i.e. Photoshop) 2) Using the same grid 3) Reusing old elements in new projects 4) Save your arguments.
Recycling is about saving our environment, but also about saving time, money, and your sanity.
Read the entire article here: http://www.smashingmagazine.com/2011/08/03/save-time-and-make-money-by-recycling/