Of coalâs many environmental impacts, none are as harmful, long term, and irreversible as global warming. Global warming is driven by emissions of heat-trapping gases, primarily from human activities, that rise into the atmosphere and act like a blanket, warming the earthâs surface.
An executive officer (often abbreviated XO) is generally a person responsible for running an organization, although the exact nature of the role varies depending on the organization. Contents.he US Air Force uses the term executive officer for officers assigned as personal staff officers to general officers. Their role is similar to aides-de-camp in the US Army, Marine Corps and Air Force and flag aides and flag lieutenants in the US Navy and Coast Guard.
Even where there is no title of officer, it is assumed that all those personnel who are occupying chairs in top management are officers even if they are being called President, Vice President, and so on. Executive. Executive is a title that is used for senior level personnel in a company or an organization. In the case of a government, executive refers to the arm that is responsible for running the administrative affairs.