Services companies and carbon footprint accounting: monetary or physical approach?

According to the IPCC report, the carbon emissions can be reduced by half by 2030 but it implies combining clean technologies and lower demand. These conditions are based noy only domestic lifestyles but also professional responsibilities. The Low Carbon French Strategy, which sets goals to reach carbon-neutrality, leads the green transition in every possible field of activity. All companies are concerned and must assess their carbon footprints from their direct and indirect activities. What the ecological stakes services companies are facing and what means do they have apprehend them?