07. RESPonSiblE PuRchaSES and ouR commitmEnt to thE EnviRonmEnt annual REPoRt 2011 day and bringing forward close of business to 3pm we saved two hours more in energy use as compared to 2009. PRISA Digital’s consumption among PRiSa digital’s environment-friendly measures are those aimed at ensuring that all lights, computers and heating/air conditioning systems remain turned off as much as possible, leading to energy savings of 19% compared to 2009. Paper recycling has led to 21% savings as compared to 2009. PRiSa digital has also installed energy efficient computers and is currently evaluating the process of changing over to cloud hosting and other online solutions such as home working as we embrace green computing. PRISA Tv’s comsuption PRISA Tv’S COnSUMPTIOn. DIRECT COnSUMPTIOn BY PRIMARY SOURCE 2010 ELECTRICITY kw/h DIESEL kw/h GAS kw/h WATER m3 PAPER Tons 15,969,041 2,000 6,740,463 43,749 360 2009 15,629,069 1,500 6,121,023 43,622 320 PRiSa tv’s chief measures included reducing energy use, recycling waste, auditing print and copying machines, the optimization of paper use and the partial substitution of hcFc (R22) gas with the non-pollutant gases R422 and R417. these measures remain in place in 2011. as a savings measure, PRiSa tv has also replaced 100W incandescent bulbs with low-energy lamps. this has led to savings of 150,000 kw/hour and 62.63 tons less of co2. PRiSa tv has also launched the corporate digital Stationery Project to reduce color printing and has substituted analog machines with digital ones, leading to an energy saving of 60%. PRISA actively covered the Climate Summit in Copenhagen 108