ICSC members are adapting more sustainability initiatives to shrink their environmental footprint,  save money and to attract investment. “Investors are realizing that sustainable investing can mitigate risks, reduce operating costs and create ‘alpha’ in their portfolios,” said Chris Wedding, founder and managing partner of Chapel Hill, N.C.–based IronOak Energy Capital, a clean-energy investment banking and advisory firm. Among the companies highlighting greenness in their latest annual reports are GGP (now Brookfield Properties Retail Group), Kimco Realty, Macerich and Simon, all of which issued separate sustainability or corporate-responsibility reports with detailed accomplishments. Watch our video to see how the industry’s biggest companies are cutting energy use and leveraging green strategies.