The field that helps manufacturers make decisions that balance time, money, energy, and natural resources is Environmental Engineering. Environmental engineering is the branch of engineering that focuses on protecting the environment and public health by reducing waste and pollution, developing new technologies to reduce environmental impacts, and promoting sustainable development. It encompasses a wide range of areas, including air and water quality, waste management, renewable energy, and environmental policy. Environmental engineers work with manufacturers to help them develop more sustainable practices and reduce their environmental impact.