Faultline had the rare opportunity to be a fly on the wall during what should probably have been a closed doors members-only meeting, in the form of a Greening of Streaming event in Brussels this week. People talk a lot about the importance of transparency in the sustainability game, and it doesn’t scratch much more transparent than allowing the trade press to spy in on working group brainstorming sessions. We were not even there at all, really. We were invisible; be it for the occasional timed question so as not to disturb the rhythm of spit-balling streaming engineers. A fascinating day unraveled before our eyes – split between the four projects that have been distilled from stage 1 of the…