This document discusses sustainability and problem solving. It defines sustainable development as meeting present needs without compromising future generations' ability to meet their own needs. It discusses the triple bottom line of sustainability and analyzing problems by finding root causes, anticipating future problems, and assessing situations. As an example, it outlines analyzing where to place a new recycling bin by considering alternatives and criteria to make the decision. It also discusses potential problems with foil and plastic food packets touted as reducing landfill waste.