Fannie Affordable Housing Challenge. Fannie Mae launched a $10 million challenge to help address the affordable housing crisis. Through the Sustainable Communities Innovation Challenge, the GSE will commit $10 million over two years to attract promising ideas that will help alleviate affordable housing issues. Fannie expects to receive proposals from across the public, private, and nonprofit sectors. Maria Evans, Fannie’s vice president of sustainable communities’ partnership and innovation, said, “With the Challenge, we are looking for new concepts, designs, and ways of solving our nation’s affordable housing issues from innovators who are working inside and outside of the traditional housing industry. Great ideas can come from anywhere.” The goal is to...