< PrevNext > 9. PWC London Share 2020 U.S.-Booked Air Volume: $55 millionPrimary U.S. Online Booking Tool: ConcurPrimary U.S. Payment Supplier: American ExpressConsolidated U.S. TMC: Amex GBTBTN estimates that Big Four accounting firm and professional services giant PwC saw its U.S.-booked air volume drop significantly from $325 million in 2019 to $55 million in 2020 due to Covid-19. The company’s business air travel during its fiscal 2020 year, which ended June 30, 2020, generated about 357,998 metric tons of carbon dioxide equivalent emissions, down from 504,962 in its 2019 fiscal year, a 29 percent decrease. In fiscal year 2020, emissions associated with flights alone represented about 83 percent of PwC’s total carbon footprint, compared with 85 percent in fiscal year 2019. PwC aims to decarbonize its operations, including its travel footprint. It has committed to reducing its total greenhouse gas emissions by 50 percent in absolute terms by 2030. This includes halving the emissions associated with business travel and accommodations within a decade.During fiscal year 2020, PwC generated $43 billion in gross revenue, on par with 2019’s $42.4 billion. The company’s global headcount was 284,258 as of June 30, 2020, compared with 276,005 the year prior.