Environmental Ethics and Medical Reproduction - Hardcoverby Cristina Richie (Author) Carbon emissions of global health care activities comprise 4 5% of total world emissions, placing the health care industry on par with the food sector. The United States health care industry in particular expends an estimated 479 million metric tons of carbon dioxide per year nearly 8% of the country's total emissions. Health care impacts the environment through the use of resources needed to cure, treat, and prevent