Life cycle impact assessment (LCIA) is a field of active development. The last decade has seen prolific publication of new impact assessment methods covering many different impact categories and providing characterization factors that often deviate from each other for the same substance and impact. Here you can read the journey towards identifying the best existing practice for characterization modeling in life cycle impact assessment.

Sustainability is here to stay. This is the only certainty, all the rest is fluid, because sustainability is a fast changing continuum.

There has been some talk lately about green marketing being over (yes, that was Joel Makover), and some concern among experts that this would provide companies a (wrong) reason for giving up on sustainability.