The year 1896 in science and technology involved some significant events, listed below.
Chemistry
Svante Arrhenius formulates the "greenhouse law" and becomes the first person to predict that emissions of carbon dioxide from the burning of fossil fuels and other combustion processes are large enough to cause global warming through the greenhouse effect.
^Marfan, Antoine (1896). "Un cas de déformation congénitale des quartre membres, plus prononcée aux extrémitiés, caractérisée par l'allongement des os avec un certain degré d'amincissement". Bulletins et memoires de la Société medicale des hôspitaux de Paris. 13 (3rd series): 220–226.