That's a number that should give the medical industry pause. After all, doctors have a particular reason to worry about climate change, which the World Health Organization has noted "will inevitably affect the basic requirements for maintaining health: clean air and water, sufficient food and adequate shelter." And air pollution from the health care sector's own electricity usage increases cases of asthma, respiratory illnesses, and emergency department visits to the tune of $600 million a year (PDF), according to a discussion draft paper published by the WHO and the organization Health Care Without Harm. To fulfill the Hippocratic Oath to "do no harm," hospitals need to keep the planet healthy along with their patients.
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