Final answer:
The call for water conservation and other environmental measures reflects sustainable resource management, which is essential to prevent overexploitation of resources as described in the Tragedy of the Commons. The correct option is C.
Step-by-step explanation:
The exhortation to use less water, remove lawns, take shorter showers, and recycle is an illustration of C) Sustainable resource management.
This concept involves using resources in a way that meets current needs without compromising the ability of future generations to meet their needs. It is crucial because, as described in the Tragedy of the Commons, common resources are at risk of being overexploited, leading to scarcity.
The described actions are measures to prevent the overuse and degradation of vital resources like water, which are essential for maintaining healthy ecosystems and our quality of life. The correct option is C.