In this activity, students conduct a life cycle assessment of energy used and produced in ethanol production, and a life cycle assessment of carbon dioxide used and produced in ethanol production.
Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions
Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth's systems.