Half of the world's 2,000 biggest listed companies have set a target to get to net-zero emissions by mid-century, but just a fraction meet tough United Nations guidelines for what constitutes a quality pledge, a report on Monday showed. Net Zero Tracker, an independent data consortium including Oxford University, said corporate targets from Forbes2000 index companies had jumped 40% to 1,003 in October 2023, from 702 in June 2022, covering two-thirds of revenues, some $27 trillion. Of those to set a target, just 37% had one that covered their Scope 3 emissions, or those tied to a company...