Toxic pollution is the single largest cause of death and poor health, killing up to 9 million people each year—about 100 times more than war and terrorism combined. Business produces the bulk of this deadly pollution, but can also play a critical role in addressing it and mitigating its effects, according to new research by University of Notre Dame expert Richard (Drew) Marcantonio. Toxic pollution is the single largest cause of death and poor health, killing up to 9 million people each year—about 100 times more than war and terrorism combined. Business produces the bulk of this deadly pollution, but can also play a critical role in addressing it and mitigating its effects, according to new research by University of Notre Dame expert Richard (Drew) Marcantonio. Environment Phys.org – latest science and technology news stories