How do carbon emissions build up over time causing the greenhouse effect?

Global warming isn't a new study in science. The basics of the phenomenon were worked out by Svante Arrhenius in 1896. His paper, published in the Philosophical Magazine and Journal of Science, was the first to quantify the contribution of carbon dioxide to the greenhouse effect. 

The sun bombards Earth with enormous amounts of radiation, which strike Earth's atmosphere in the form of visible light, plus ultraviolet (UV), infrared (IR) and other types of radiation that are invisible to the human eye.

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metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)