What has helped Cisco drive down Scope 3 emissions over the last 15 years?

Cisco has driven down Scope 3 emissions over the last 15 years primarily through its use of the

circular economy. By focusing on the principles of reuse, refurbishment, and recycling, Cisco has

significantly reduced the environmental impact of its products and operations. This approach has led

to lower emissions throughout the product lifecycle, including manufacturing, usage, and end-of-life

stages. Cisco's circular economy strategy is a key component of its sustainability initiatives, as

highlighted in their environmental reports and sustainability strategies​

https://blogs.cisco.com/csr/net-zero-methodology-yes-it-is-complicated-but-worth-doingthoroughly