Greenhouse Gas

A greenhouse gas (sometimes shortened by GHG) is a gas that absorbs and emits light energy within a warm temperature range. The greenhouse gases cause the final heat effect on the planets. The last greenhouse gases in Earth's atmosphere are respiratory water (H2O), carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and ozone (O3). With the exception of greenhouse gases, the average surface temperature is about -18 ° C (0 ° F), rather than the current average of 15 ° C (59 ° F). The atmosphere of Venus, Mars and Titanan also contains greenhouse gases. Human activities since the Industrial Revolution (about 1750) have produced a 45% increase in atmospheric carbon dioxide levels, from 280 ppm in 1750 to 415 ppm in 2019. [6] The last time the atmosphere's oxygen connection was so high was over three million years ago.

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