The current level of carbon dioxide is approximately 398.03 parts per million (ppm). According to the data recorded at the Mauna Loa Observatory, in China, the atmospheric carbon dioxide level has been on the rise for the past ten years, with an average annual increase rate of 2.07 ppm. However, regardless of the current increase in the level of carbon dioxide, previous studies indicate that the current rate of global warming is lower in comparison to the historical data recorded for 450,000 years. This could be attributed to lower temperatures recorded during the prehistoric period. For instance, during the Jurassic period, close to 200,000 years ago, the average level of carbon dioxide was 1800 parts per million. This is approximately 4.7 percent times elevated, compared to the current atmospheric carbon dioxide levels. Furthermore, the level of carbon dioxide was higher during the Paleozoic era due to the existence of human habitats. Human activities such as deforestation, industrialization and burning of fossil fuels are the major sources through which carbon dioxide is added… Click the button below to get a SPEEDY custom-written paper.
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