7.1 ENVIRONMENTAL PERFORMANCE INDEX
GHG EMISSIONS
DIRECT AND INDIRECT EMISSIONS (SCOPE 1 & 2) BY SOURCE (2017 & 2016)TABLE 5
2017 2016
SUM OF DIRECT AND
INDIRECT EMISSIONS
TONNES CO2-E
% CONTRIBUTION OF
DIRECT AND INDIRECT
EMISSIONS
(SCOPE 1 & 2) OF GHG
TONNES CO2-E
SUM OF DIRECT AND
INDIRECT EMISSIONS
TONNES CO2-E % CHANGE
YEAR ON YEAR
Purchased electricity 56,123 6.7% 62,814 -10.7%
Heat and cooling 4,695 0.6% 4,556 3.1%
Steam 761,973 91.6% 731,611 4.2%
Natural gas 3,730 0.4% 3,639 2.5%
Non-transport fuel combustion 228 0.0% 695 -67.2%
Synthetic gases 2,030 0.2% 928 118.8%
Transport fuels (controlled vehicles) 3,044 0.4% 2,483 22.6%
Totals 831,823 100.0% 806,726 3.1%
GHG EMISSIONS BY SCOPE AND COUNTRY (2017)TABLE 6
DIRECT
EMISSIONS
(SCOPE 1)
TONNES CO2-E
INDIRECT
EMISSIONS
(SCOPE 2)
TONNES CO2-E
OTHER INDIRECT
EMISSIONS
(SCOPE 3)
TONNES CO2-E
% CHANGE
YEAR ON YEAR
(SCOPE 1)
% CHANGE
YEAR ON YEAR
(SCOPE 2)
% CHANGE
YEAR ON YEAR
(SCOPE 3) % CHANGE
(TOTAL)
US 7,73 4 799,616 1,093,252 34% 3% 109% 46%
UK 1,296 23,175 49,055 -35% -9% -13% -12%
Total 9,031 822,791 1,142,307 17% 3% 97% 42%
Note: Scope 3 total includes recycling, compositing, and recovery
ADJUSTMENTS TO PAST GHG EMISSIONS
To ensure Westfield Corporation’s environmental impact is accurately
represented each year, adjustments to past energy consumption, greenhouse
gas emissions, water consumption and waste management figures may have
occurred. For example, we identified an improvement in reporting our United
States waste management data in 2017. Therefore, we changed the emission
factor applied to waste management data in past years to be consistent with
United Kingdom reporting. As we continue to identify improvements to our
reporting of these environmental metrics, we may update our upcoming reports
to reflect these improvements to past data.
Westfield Corporation | Sustainability Report 2018 | 68