German University Constructs Giant Planet-Saving Spherical Building

The Bibliosphere, an administration and student services buiding at the University of Duisburg-Essen in Germany, is both an ecological and architectural achievement. It's incredibly environmentally-friendly, and did we mention it's a giant sphere?

German University Constructs Giant Planet-Saving Spherical Building

The Bibliosphere is focused on sustainability, with natural lighting, ventilation, and using only renewable energy sources, and consumes an amazing 50% less than German regulations require—and we imagine German environmental laws are already much more strict than those here in the Land of the Free and the Home of the SUV. [Greeen Architects [sic] via PopSci]