We wrote earlier about Luyanda Mpahlwa and his Sandbag Houses by MMA Architects; it was one of the entries in a competition teaming South African architects with international designers to pioneer new affordable housing systems. MMA went it alone, and built an affordable structure that "requires no tools or advanced construction knowledge and can be built for slightly more than $6,000." Now they have won the Curry Stone Award of $100,000, which honours "innovative achievements in humanitarian architecture and design." ...
Source: TreeHugger