Since 2010, McKinsey has worked for at least forty-three of the hundred companies that have pumped the most carbon dioxide into the atmosphere since 1965, based on a list of polluters compiled by the Climate Accountability Institute, a nonprofit that raises awareness about how corporations are contributing to climate change. Those forty-three companies, when accounting for the customers who use their products, were responsible for more than 36 percent of the planet’s greenhouse gas emissions from fossil fuels in 2018.
