This is an interesting topic. I often get asked "are you one of those greeny freeks?" about my cycle-commuting habit. To be totally honest, I just see this as another benefit of something I'd do anyway. The real reason I ride everywhere is that I enjoy it so much. I wouldn't do it if I didn't.
I do my bit of recycling (like everyone else) and I did write letters opposing the Springbrook Cable-joyride a couple of years ago. However, it wasn't something that I needed to go to a heck of a lot of trouble to do.
The media, especially in this country, seems to have made a national pastime of 'greenie bashing'. To be honest I don't really care what people think of me anymore. If the want to see me as a greenie it's their problem, not mine.
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I am clinically insane. I am proud of it.
That is all.