Answer:
Herman Daly, one of the early pioneers of ecological sustainability, looked at the problem from a maintenance of natural capital viewpoint. In 1990 he proposed that;
1. For renewable resources, the rate of harvest should not exceed the rate of regeneration (sustainable yield);
Explanation:
Herman Daly talked about renewable energy. that the rate of consumption should not be greater than the rate at which the products are beo=ing produced.
A renewable resource this is a natural resource that will be made to replace the portion that was used by consumption, either through natural reproduction process or by other artificial recurring processes in a finite amount of time.