The Carbon Majors Database: CDP Carbon Majors Report

A handful of big fossil fuel producers have been responsible for the majority of global greenhouse gas emissions, according to this report. When emissions from agriculture and land-use changes are taken out of the equation, a mere 25 producers account for just over half of emissions in the past three decades. The top 100 account for 71 percent of these industrial emissions. Since 1988, more than half of global industrial GHGs can be traced to just 25 corporate and state producers