Within the academic discipline of cultural anthropology, according to the OED, matriarchy is a culture or community in which such a system prevails or a family, society, organization, etc., dominated by a woman or women. In general anthropology, according to William A. Haviland, matriarchy is rule by women.
Sources of sulfur dioxide pollution In 1963, more than 23 million tons of sulfur dioxide were discharged into the atmosphere of the United States. The fossil-fueled power plant is the chief contributor to sulfur dioxide emissions and accounts for over 40% of the total emission.
The main and most problematic source of mercury admission comes from power plants that burn fossil fuels; primarily coal. Research on a northern Wisconsin lake found that as little of one gram of mercury per year was enough to contaminate the lake's entire fish population.