Rauli wrote a journal on his 12 days of attending and handing out (3,000!) Climate Gamble books during COP21 with Janne.
The style is somewhat personal, so read at your own risk. Needless to say, it was a highly interesting trip, going from being teargassed by the riot police to meeting Jim Hansen to speaking at what amounted the first ever COP discussion panel on nuclear and climate that went well and without disturbances.
Here is a link to the articles, enjoy.