Environmental Engineering Reference
In-Depth Information
For example a company such as Wal-Mart under-
stands that as its business grows its absolute level
of emissions will grow. However it can work to
reduce the amount of tons CO2e emitted per dol-
lar of revenue without sacrificing company-wide
growth. If the reduction in emissions intensity
happens at a level that is greater than the increase
in company-wide growth levels then absolute
emissions reductions can be reached.
Despite the desire to use emissions intensity
to compare two unlike companies, often com-
panies believe there is a measurement that they
should be using for intensity that is unique to
their specific operations or business. Examples
of emissions intensity units publically disclosed
in 2007 are shown in Table 5. The diversity of
emissions intensity units highlights how challeng-
ing it is to be able to compare emissions between
companies. For example Pepsi indicates that its
intensity should be measured in metric tons of
CO2-e per liter of beverage manufactured. In
comparison, for Cisco emissions per floor area
and number of employees using the space makes
the most sense. If each company is able to define
its own intensity metrics, it will not be possible to
compare companies, even if they are in the same
Table 5. 2007 Emissions Intensity, Examples of Intensity Measurements (Carbon Disclosure Project, 2010)
Name
Sector
The appropriate measurement of emissions intensity for your company
ABB Ltd.
Technology Hardware & Equip-
ment
Metric tons of CO2e per employee (scope I and scope II)
Areva
Technology Hardware & Equip-
ment
GHG emissions per turnover
Bayer AG
Chemicals
Metric ton of CO2e per ton product sold
BT Group plc
Fixed Line Telecommunications kg C02e per unit of the company's contribution to GDP
Centrica plc
Oil & Gas Producers
g CO2/kWh of power generated
Cisco Systems
Software & Computer Services normalized office and lab electricity use and emissions by floor area and head
count for internal management
City Developments
Limited
Real Estate Investment &
Services
Metric tons of CO2e per square meter
Coca-Cola Hellenic Beverages metric tons CO2 per liter of beverage produced in terms of emissions from
product carbonation, energy use in bottling plants and transportation, as well
as any coolant gases lost from refrigeration equipment
Deutsche Telekom AG Fixed Line Telecommunications Metric tons of CO2-e per gigabyte
Dow Chemical Com-
pany
Chemicals
GHG emissions of CO2 equivalents per unit of production
E.ON AG
Gas, Water & Multi-utilities
Metric tons CO2 per megawatt-hour (MWh)
Ikea
General Retailers
Total gram CO2/m3 produced for IKEA
Johnson Controls Inc.
Automobiles & Parts
Metric tons of CO2e per million USD in revenue
Munich Re Group
Financial Services
metric tons of CO2e per employee and year
Newmont Mining Corp Industrial Metals & Mining
Metric tons of CO2-e per gold ounce equivalent sold
PepsiCo, Inc.
Food Producers
Metric tons of CO2-e per liter
SAS Group
Travel & Leisure
Metric tons of CO2-e per revenue ton kilometer
Seiko Epson
Technology Hardware & Equip-
ment
emissions / unit sales (1990 = 100)
SOMPO Japan Insur-
ance Inc.
Financial Services
CO2 metric tons per net premium of 10 billion JPY
