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

2009
The Rights of Future Generations
Alex examines the rights of future generations and wonders in what courts those rights might be defended, and how...

2009
Manifesta: Caring for Fungi and Pollution
Regine Debatty reviews two artistic architectural works at the Manifesta biennale that both explore waste residue...

2005
Smart Sprawl
Jamais Cascio reflects on Walter Siembab's idea of "Smart Sprawl," a networked approach to re-imagining and restructuring suburbs and cities...

Other recent "look backs":
August 27
August 30
August 31