It is essential to save resources
Structural frame evaluating an action via the adjective 'essential'.
To survive the winter, it is essential to save resources from summer.
—How did they manage it? —It was essential to save resources at every stage of the project.
The biologist explains that it is essential to save resources for the species to survive.
To survive the winter, it is essential to save resources from summer.
—How did they manage it? —It was essential to save resources at every stage of the project.
The biologist explains that it is essential to save resources for the species to survive.