Review the following definition of sustainable construction projects: Sustainable construction projects demonstrate common sense applications of natural resources throughout the life of the project.
Sustainable projects also take into account the long-term effects on the environment, including how energy and materials are used and
recycled, which should be incorporated into the building itself.
Based on this definition, which of the following characteristics is not a characteristic of sustainable construction projects?

Energy and material efficiency in construction, operation, and maintenance.

Established technologies that have been in use for several decades

Low environmental impacts over the project's life cycle.

High ratio of renewable energy to fossil energy in construction, operation and maintenance,