Sustainability is important for a very simple reason: we cannot maintain our quality of life as human beings, the diversity of life on earth or earths ecosystems unless we embrace it. In order to have healthy communities, we need clean air, natural resources, and a nontoxic environment.
A restatement of the thesis.
Rail - a bar or series of bars, typically fixed on upright supports, serving as part of a fence or barrier or used to hang things on
road - a wide way leading from one place to another, especially one with a specially prepared surface which vehicles can use.
Answer:
Every decision-making process produces an outcome that might be an action, a recommendation, or an opinion. Since doing nothing or remaining neutral is usually among the set of options one chooses from, selecting that course is also making a decision.