WATCH RELATED VIDEO Submit U.S. President Barack Obama speaks to the press after hosting a roundtable with CEOs about climate change Oct. 19, 2015 in Washington, D.C. The group reportedly discussed carbon mitigation, sustainability and how new technologies can support the efforts while in the Roosevelt Room of the White House. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.