There has been some progress by companies that have rigorous targets. In a report last month, Science Based Targets, which was started by the environmental groups and hundreds of businesses brought together by the United Nations, said the 338 large companies around the world for which it had sufficient emissions data collectively reduced their emissions by 25 percent between 2015 and 2019.Often large companies in the same industry have very different records.For example, Walmart discloses its targets for emissions reductions and the progress it has made to the Carbon Disclosure Project, including a goal for emissions from its suppliers, and its plan …
