How does the concept of regenerative design promote the integration of natural systems and sustainable practices in the built environment, particularly in civil engineering?

a$)$ By prioritizing the use of non$-$renewable resources in construction projects

b$)$ By focusing solely on short$-$term economic gains in construction practices

c$)$ By incorporating renewable energy sources and minimizing waste generation in construction processes

d$)$ By disregarding environmental impact assessments in civil engineering projects $.$