II 116th CONGRESS 1st Session S. 1498 IN THE SENATE OF THE UNITED STATES May 15, 2019 Ms. Warren (for herself, Mr. Schatz , and Mr. Whitehouse ) introduced the following bill; which was read twice and referred to the Committee on Armed Services A BILL To require the Secretary of Defense to enhance the readiness of the Department of Defense to challenges relating to climate change and to improve the energy and resource efficiency of the Department, and for other purposes.