Frequently Asked Questions

about CenturyLink and the Environment

It is the policy of CenturyLink to comply with all environmental laws, to make responsible environmental management a company priority and, where necessary, to establish detailed compliance plans that manage environmental risks in day-to-day operations.

Environmental sustainability programs within CenturyLink are administered under the direction of the Senior Vice President of Regional Operations. This executive position reports to the Executive Vice President of Global Operations and Shared Services.

The Carbon Disclosure Project (CDP) is an independent, nonprofit organization which acts as an intermediary between shareholders and corporations on all climate change-related issues, providing climate change data from the world's largest corporations to institutional investors in the global marketplace.

CenturyLink's participation in the CDP is one important mechanism through which CenturyLink discloses its greenhouse gas emissions (GHGs).

CenturyLink's IT department has implemented initiatives to reduce energy consumption, save costs and reduce CenturyLink's carbon footprint. These projects include decommissioning unused servers and replacing old power hungry Uninterrupted Power Systems (UPS) equipment with more efficient UPS equipment and implementing hot aisle/cold aisle concepts with new server installations, The efforts have resulted in an estimated annual energy savings of nearly 7 million kilowatt hours per year (kWh/year), which is equivalent to 565,483 gallons of gasoline.

The CenturyLink Network Energy Efficiency Group, a subcommittee of the Environmental Sustainability Council, has launched three initiatives in the last seven years, which have created energy savings and efficiency within the network. These include turning off excess rectifiers (both manually and automatically), as well as turning off unused converter plants. These actions have resulted in an estimated annual power consumption savings of more than 13 million kilowatt hours (kWh).

Also, beginning in 2011, the group initiated a switch consolidation initiative, which resulted in an annual estimated savings of more than 6 million kWh of use.

Additionally, the Network Energy Efficiency Group instituted an initiative to pull common power supply unit cards from unused transport shelves, which resulted in annual estimated savings of more than 600,000 kWh for the company.

As an active member and contributor to the Alliance for Telecommunications Industry Solutions (ATIS), CenturyLink is working alongside other industry members to, among other things, identify and promote energy efficient technologies and equipment.

CenturyLink is also a member of the ATIS Exploratory Green Group (EGG), aimed at developing recommendations and sharing best management practices in the area of environmental sustainability for the telecommunications industry.

CenturyLink helps customers go green with products and services that use environmentally friendly architectures such as IP and Ethernet in order to, among other things:

  • Create virtual environments – collaboration ware, webcams
  • Move to online billing, autopay, and fax to email (reducing paper waste)
  • Minimize their carbon footprints by reducing, in particular, air travel
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