identifier-a symbol that establishes the identity of the one bearing it. variable-a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity.. (Psychoanalysis) psychoanal the end product, in the form of an object or act, of a conflict in the unconscious between repression processes and the actions and thoughts being repressed: the symbols of dreams. 5. (Psychology) psychol any mental process that represents some feature of external reality.
By my definition, out of 13,950 peer-reviewed articles published on global warming since 1991, only 23, or 0.16 percent, clearly reject global warming or endorse a cause other than CO2 emissions for observed warming.
Scholarly or peer-reviewed journal articles are written by scholars or professionals who are experts in their fields. In the sciences and social sciences, they often publish research results. Substantive news articles are reliable sources of information on events and issues of public concern.