The concept of reporting on sustainability impacts for a business like British American Tobacco is totally nonsensical. Witness this gem of self-contradiction in their submission to the GRI under the awkward area 'Consumer Health and Safety':
"All tobacco products pose real and serious risks to health.
Risk awareness among consumers is constantly reinforced by health warnings on primary packaging mandated by the majority of governments. Our approach to tobacco harm reduction is to pursue the research, development and test marketing of innovative tobacco products that will have consumer acceptability, and will be recognised by the scientific and public health communities and regulators as posing reduced risks to health."
So their core business hurts people. Their strategy is to make products that will hurt people a little bit less, pressuring stakeholders like the government and scientists to accept this as the best possible solution.