I love trees too but, er… well, this is ridiculous.
This is the Earth First group; Though they’re radical enviornmentalists–anti capitalists, etc– I haven’t read where they’re into violent confrontations or arson or spiking (though I’m not entirely sure) as are some other such groups. I mean what they’re doing here, though silly, is more in line with New Age reclamation religious acculturation (huh?).
Here’s some related material: The last tree sitter comes down.