Global Science: Energy, Resources, Environment

acid Activity Agriculture aluminum amount animals atmosphere atoms bacteria billion Calories carbon CHAPTER chemical coal color Colorado Colorado River conservation contains Conversion cooling copper copper chloride crude oil cycle depletion developed Earth economic ecosystem efficiency energy quality environment environmental ergy eutrophication Everglades Exponential exponential growth FIGURE fission flow fuel cell future global graph groundwater heat human industrial lakes land layers Limits to Growth living mass material metal meters mining molecules National natural gas neutrons nitrogen Nonrenewable nuclear nutrients oil shale organic oxygen particles passive solar percent photosynthesis Plate Plate Tectonics pollution population power plants problems production quantity questions radiation radioactive reactor recycling River rock sample science notebook Scientific scientists seeds sewage soil solar cell solid solution Special Focus strategies Summary surface tar sands temperature Thermal tion United uranium waste