The Effects Of Climate Change On Earth

888 Words4 Pages
Throughout Earth’s 4.6 billion year history, Earth’s climate has been constantly changing. Prior to the humans and the industrial revolution, climate change been driven naturally by variations of solar energy, volcanic eruptions, and Earth’s orbit. We are currently in a period where these changes are occurring naturally, and saying the cause of climate change is from human activity is ridiculous! Greenhouse gases, which include water vapor, Carbon dioxide (CO2), Methane (CH4), and Nitrous Oxide (N2O), have always been in the atmosphere. Without these gases, the Earth would not be habitable to most life because of the fluctuations of the amount of heat given off from sun (-18°C)! We need these greenhouse gases to capture the sun’s rays in periods of low radiation and heat the planet to sustain life on Earth. Greenhouse gases reflects infrared light back to the Earth’s surface where more heat absorption takes place, making the planet habitable. Since solar radiation varies, periods of the earth’s global temperatures will increase and decrease, due to this natural cause. When the sun’s radiation increases, which is in a historically high period according to astrophysicist, Judith Lean, the natural greenhouse gases in the atmosphere will trap the sun’s heat and therefore increase the earth’s temperature.
Human’s do not, and cannot even if we tried, impact this natural process, therefore, this leaves much uncertainty to the phenomenon of “global warming” due to human activity.
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