In a 3-5 page essay, discuss the specific technical and financial challenges associated with retrofitting existing buildings for energy efficiency. Consider factors such as building age, construction materials, occupant behavior, and available technology. Additionally, explain how these challenges can be addressed and overcome in order to achieve significant reductions in energy consumption and greenhouse gas emissions. Provide examples of successful retrofitting projects and their outcomes. Use at least 5 credible sources to support your analysis.
This prompt doesn't seem malicious.