In February 2019, Verizon became the first U.S. telecom company to issue a green bond. The inaugural offering raised almost $1 billion in net proceeds which was fully allocated in 2020 to renewable energy, energy efficiency, green buildings, and biodiversity and conservation. In September 2020, Verizon issued its second green bond which was fully allocated in 2021 to renewable energy investments. In September 2021, Verizon issued its third green bond which was fully allocated in 2022 to renewable energy investments.