What have been your most significant lessons learned regarding the U.S. energy and environmental system throughout this semester?

What have been your most significant lessons learned regarding the U.S. energy and environmental system throughout this semester? Please explain how and why you came to this conclusion? Are you optimistic or pessimistic about the future of U.S. energy and environment based upon this semester’s experience? What takes you to this view and why?”I am optimistic because I learned about the infinite amount of renewable energy sources that could be use and the possibility of a better energy future with the right technology created.