< PrevNext > 46. Royal Dutch Shell The Hague, the Netherlands Share 2020 U.S.-Booked Air Volume: $16.4 millionConsolidated U.S. TMC: CWTBTN estimates oil and gas giant Royal Dutch Shell’s 2020 U.S.-booked air volume was about a fifth of its 2019 level.The company estimated that its business air travel, hotel stays and rental car use combined generated in 2020 about 50,000 metric tons of carbon dioxide equivalent, down from about 230,000 in 2019. Shell offsets the emissions its business travel generates through the purchase of project-based carbon credits. The company aims to have net zero companywide emissions by 2050.Shell in 2021 formed an alliance with American Express Global Business Travel that will allow GBT’s corporate clients to buy sustainable aviation fuels for their business travel needsThe company has worked to develop an inclusive travel standard that highlights travel experiences of all employees of all cultural background, sexual orientation or other aspects.Shell had about 87,000 employees worldwide at the end of 2020, about the same as one year prior. The company’s revenue in 2020 declined by nearly 48 percent year over year to $180.5 billion.