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SD1

Environmental Sustainability Ratio

The Environmental Sustainability Ratio measures the ability to utilize sustainable resources (material, energy, activities, and services) in operating the supply chain. It aggregates the sustainability ratios of resource Intake, Recovery, and Output by supply chain and/or supply chains within a line of business.

Resources include all materials, energy, activities, and services required to operate the supply chain. The cost to dispose of such resources. Intake resources include, but are not limited to:

  • Raw materials
  • Packaging materials
  • Catalysts
  • Traditional energy sources: Electricity/Natural Gas/Oil
  • Alternative energy sources: Waste

Output resources include, but are not limited to:

  • Air emissions
  • Cooling and waste water
  • Solid waste

Calculation

Environmental Sustainability Ratio
=Intake Sustainability Ratio × Recovery Ratio × Output Sustainability Ratio
Environmental Sustainability Ratio
=SD11 × SD12 × SD13

where

Unit of measure: %

Importance

A higher Environmental Sustainability Ratio indicates that of the resources used a higher portion are considered sustainable resources, reused, and/or sustainably disposed.

Notes

  • This metric does not provide insights in the total resources required to operate the supply chain. An overall reduction of resources required should also be rewarded. Companies are recommended to identify metrics for key resources and report period-to-period trends.
  • Resources include: Materials, Energy, Packaging, Activities, and (acquired) Services.
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Hierarchy

IDNameLevelx
SDSustainability0SD
SD1Environmental Sustainability Ratio1SD1
SD11Intake Sustainability Ratio2SD11
SD12Recovery Ratio2SD12
SD13Output Sustainability Ratio2SD13

Process(es)

IDNameLevelx
G4Manage Sustainability2G4
G406Report and Communicate3G406
SSource1S
S0Strategic Sourcing2S0
S1Source-to-Replenish2S1
S2Source-to-Order2S2
S3Source-to-Engineering-Order2S3
MMake1M
M1Make-to-Stock2M1
M2Make-to-Order2M2
M3Make-To-Engineering-Order2M3
M4Re-Make2M4
DDeliver1D
D1Deliver-From-Stock2D1
D2Deliver-to-Order2D2
D3Deliver-To-Engineering-Order2D3
D4Deliver Returns2D4
Environmental Sustainability Index Sustainability 61000 1 Sustainability, Metric, Index, Environmental, Circular, In-Flow Rate, Out-Flow Rate, Supply Chain The amount of sustainable resources (Materials, Energy, Packaging, Activities, and (acquired) Services) used as a percentage of total amount of resources used