I can only hope that members of the Assembly's Sustainability Committee have a healthy love of irony - and a good book in their overnight bags.
Today they make the most of the Easter break by heading off to Freiburg and Linz to learn all about successful carbon reduction strategies.
That they're going by plane and contributing more than little bit to the committee's own carbon footprint is, I'm sure, a calculated and necessary evil.
But doesn't it feel more than little bit like poetic justice that they're hoping to fly this afternoon from ... Heathrow's Terminal 5?
I can report an official Tory split.
Darren Millar and Brynle Williams flew from Manchester, which means they, at least, have probably arrived - along with their luggage. Given the trip is to Austria and Germany indulging in a bit of Schadenfreude seems fair enough somehow ...