> Biosphere 2 fell apart
Wait, what's this? What happened?
Wait, what's this? What happened?
Fungus and other pests destroyed some important plants and the eco system collapsed.
It had been built in the middle of a desert but urban expansion means the site is reasonably near housing now.
There were a bunch of photos of the dusty derelict interiors floating around a few years ago.
I kind of wish people would try again, just becuase.
Ah, here's a summary of the various things that went wrong, including details about the concrete: http://biology.kenyon.edu/slonc/bio3/2000projects/carroll_d_... .
It doesn't mention fungus, but does talk about other ecosystem problems (the pollinating insects died out, the morning glories took over, etc.).