TY - JOUR AN - 019088823 AU - AllenKennethVern PY - 2000/01/01 TI - Global warming and the Sun; is the reported global warming of the 20th century really due primarily to increased concentrations of carbon dioxide (CO (sub 2) ) in the Earth's atmosphere from human activity? Apparently not! UR - https://eurekamag.com/research/019/088/019088823.php ER -