Financial rewards for going green aren't just for new start-ups. Existing businesses are finding that going green when expanding, updating, or remodeling provides more than 'feel-good' rewards. Tax breaks and grants can off-set initial expenses. Expanded sales to ecology savvy customers and lowered operating costs provide long term financial rewards.
In an IGNN 
February 2007 news release, Gov. Rod R. Blagojevich announced goals to cut Illinois greenhouse gases 60% by the year 2050. Accomplishing such necessary and ambitious goal requires state-wide commitment.
The Illinois Department of Commerce and Economic Opportunity demonstrates its commitment to going green by promoting energy efficiency. DCEO programs such as Manufacturing Energy Efficiency Program (MEEP), Small Business $mart Energy (SB$E), and Energy Performance Contracting provide businesses with technical and financial support to achieve energy efficiency.
Energy Star ratings and rebates are not just for home appliances. The EPA has expanded the energy efficiency program to include a wide spectrum of business equipment including computers, lights, copiers, water coolers, and many more items. Even building construction can receive Energy Star ratings. By purchasing Energy Star equipment and using approved construction methods, your business can qualify for rebates, Energy Star Certification, and lowered utility rates.
National Federation of Independent Business 
Toolbox offers examples of Illinois businesses which have been rewarded for going green.
The Renewable Energy and Land Use Initiative , an interdisciplinary project at University of Illinois Urbana-Champaign, is on the leading edge in the development of new green protocols for industries, businesses, agriculture, construction, alternative fuels, etc.
Eco-conscious consumers prefer to select products and services from companies which they perceive as green. Consortiums such as the Chicago Sustainable Business Alliance are providing promotional support, networking, and education for green businesses.