Climate is a primary determinant of whether a particular location has the environmental conditions suitable for the transmission of several vector-borne diseases, including dengue fever, St. Louis encephalitis, and West Nile virus.
When the health care industry came under the environmental microscope, the daily work of treating patients was discovered to be highly wasteful of natural and financial resources.
A major contributor to the lack of medicines in developing countries is an intellectual property regime that allows proprietary drug companies with intellectual property monopolies to charge high prices and maximize profit.