26HILERBRANDGO 26HILERBRANDGO Biology Answered ]How does emphasis on agricultural technology today compare to the recent past? Today scientists are only concerned with the nutrition of livestock, not with size or quantity. In the past, scientists were concerned with mass-producing for local areas, not for large areas. In the past, scientists have not been concerned with the well-being of livestock or crops. Today scientists are devising ways to use advancements in positive ways for the environment.