Renewable energy certificates (RECs) — annual budget commitment with zero procurement in FY2021 WWT budgets annually for an investment in renewable energy certificates, though in FY2021 no renewable energy was purchased or generated on-site (0 MWh renewable out of 78,871 MWh total). The company is a former EPA Power Partner, which encourages companies to highlight and utilise green energy resources for energy efficiency and carbon reduction. Total renewable energy fraction remains 0% in the reporting year.
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HVAC refrigerant methodology changed to actual refill amounts In FY2021, WWT changed HVAC leak calculation from tonnage capacity assumptions to actual refrigerant refill amounts (kgs). This decreased reported Scope 1+2 by 617.355 tCO2e (1.5%).
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Netherlands, India, Singapore emissions moved from Scope 3 to Scope 1/2 WWT identified operational control over properties previously in Scope 3 leased assets. Electricity, natural gas, and water data from Netherlands, India, and Singapore moved to Scope 1/2. DHC data for Singapore also newly included. Diesel consumption added to Scope 1. Net boundary change increased Scope 1+2 by 1,237.768 tCO2e (3.01%).
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New Scope 3 categories added: purchased goods, transport, waste, business travel, employee commuting, WFH electricity WWT added new Scope 3 categories in 2021 reporting: Purchased Goods & services, Fuel & energy related activities, Transportation & distribution, Business travel, Employee commuting, and work-from-home electricity. Mobile combustion also moved from Scope 1 to Scope 3.
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LED lighting efficiency project in Edwardsville, IL reduces emissions by 986 tCO2e WWT collaborated with Innovative Facilities Solutions and Ameren in Edwardsville, IL facilities to install energy efficient LED fixtures. Annual energy savings of $315,099 and emission reductions of 986 MT CO2e achieved. Investment of $1,324,149 with 1-3 year payback period.
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Primary: Facility energy efficiency — LED lighting, HVAC upgrades, ENERGY STAR equipment WWT invests in LED and motion-detection lighting, HVAC efficiency improvements, and ENERGY STAR-certified equipment across its global facilities. In 2021, an LED lighting upgrade at Edwardsville, IL yielded annual savings of $315,099 and 986 tCO2e. The company also pursues LEED certification for its Global HQ in St. Louis and monitors energy consumption through a third-party consultant.
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Primary: Telecommuting and teleconferencing to reduce employee travel emissions WWT has increased employee participation in telecommuting and invested in teleconferencing facilities and equipment to reduce emissions from both employee commuting and business travel. Teleconferencing capability expansion is also offered to customers as a means of reducing their carbon footprint. The company plans to collect actual employee commute data as offices reopen in 2022.
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Primary: Scope 1 emissions management — natural gas, refrigerants, diesel WWT manages stationary combustion from natural gas (4,738.96 tCO2e), refrigerant use in HVAC systems (503.92 tCO2e), and diesel (73.75 tCO2e). From 2021, HVAC refrigerant emissions are calculated based on actual refill amounts rather than assumptions, improving accuracy. The company monitors Singapore operations to remain below carbon taxation thresholds.
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Dependent: Supplier engagement and supply chain risk management for climate compliance All WWT suppliers must acknowledge and comply with the WWT Supplier Code of Conduct, which aligns to the RBA Code of Conduct and includes pollution prevention and resource reduction commitments. Suppliers are monitored and can be placed on improvement plans or disengaged for non-compliance. WWT engages suppliers to collect and improve Scope 3 data reporting.
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Primary: GHG inventory expansion — adding Scope 3 categories and work-from-home emissions WWT is systematically expanding its Scope 3 inventory, adding purchased goods & services, upstream transport, waste, business travel, employee commuting, and work-from-home electricity use in 2021. The company is developing a program to determine and reduce indirect/value chain GHG emissions (Scope 3) in 2022-2023, with dedicated ESG resources hired over the past two years.
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