mayor - n. an official who is elected to be the head of the government of a city or town
basis - n. something (such as an idea or set of ideas) from which another thing develops or can develop
indigenous - adj. produced, living, or existing naturally in a particular region or environment
distraction - n. something that makes it difficult to think or pay attention
ecological - adj. related to a science that deals with the relationships between groups of living things and their environments
advocacy - n. the act or process of supporting a cause or proposal : the act or process of advocating something
ecosystem - n. everything that exists in a particular environment