New Swedish Words:
'What's the use of a fine house if you haven't got a tolerable planet to put it on?' ― Henry David Thoreau, Familiar Letters. This, if anything, would be a fine house: Sweden's most beautiful 'villa'

“Mossgraffiti”—literally moss graffiti. In lieu of the environmentally dangerous colors, there’s a growing trend to mix moss with yogurt, beer and sugar in a mixer and use the batter to paint walls, stones and pots. After a few weeks the moss will grow and you have created “mossgraffiti.”

You find a few quite staggering examples here: 20Masterpieces of Green Graffiti