Looking back one, two and five years ago today on Worldchanging:

2009
Built To Last
Here's a great, short (3 minutes!) video on development, sprawl, and transportation. Created by John Paget, it's the winner of the Congress for New Urbanism CNU 17 video contest. And it's pretty cool to boot...

2008
Resource: NRDC Green Enterprise
Julia Levitt reviews the NRDC's green enterprise guide, a manual for making-over your office, which offers an inspiring plan, conveyed sensibly and in manageable chunks...

2005
The Blob! In Delft
The kids over at TU Delft are working on blob-architecture, but none of the research is for green building. It could be a good tool for that, in the right hands: We just need to get more Fuller and less Gehry in there...

Other recent "look backs":
May 11
May 12
May 13