I'm a pretty visible positive example I'd say. My objective is to provide reminders to reframe carnism as socially stigmatized. I think this mostly works because a lot of my friends are vegan, but there are a few "bros" who rationalize why they don't need to change.
The challenge that isn't covered here is that the grandeur of Singapore is far far easier to achieve with authoritarian centralization than the anarchic style of solarpunk. And people are compelled by the grandeur of a large expensive project in different ways than the DIY scale.
So how can a ragtag group in SF or Berlin make something that captures imagination just as well as Singapore?
I love bike camping and am starting to host trips where I live. I highly recommend it to anyone who wants to get to know the rural parts of their region. You can often ask around at bike shops (particularly the adventury types of bike shop) to learn who in the area runs them.
I'm car free so I've had to come up with some creative solutions to moving some big stuff around. Probably the toughest thing I've had to tow is my 12 ft sailboat. I modified my existing trailer to add a tag-along child bike trailer.
This would be so lovely for some far northern/southern latitudes that need all the sun they can get to stay warm. With double or triple paned glass to insulate.