75.83 80.27 78.60 81.12 78.06 51 NOVARTIS CORPORATE RESPONSIBILITY PERFORMANCE REPORT 2014 | ENVIRONMENT http://www.novartis.com/corporate-responsibility/responsible-business-practices/protecting-the-environment/energy-efficiency.shtml the cooling of fermentation and other biochemical processes and for the cooling of data centers, or for air conditioning of offices, because the environmental impact is lower than using mechanical chillers.