Climate Change And Global Warming Essay

891 Words Dec 3rd, 2015 4 Pages
Climate Change and Global Warming Humanity Greatest Threat
Climate change and global warming are real. The world’s climate is changing, and the changes will have an enormous impact on the planet’s people, ecosystems, cities, and energy use. Average global air temperatures are already 1.5 degrees higher than they were at the start of the 20th century, and have risen about 1 degree over just the last 30 years. Scientists have discover some of the causes for these drastic changes. Greenhouse gases, according to scientists are the main culprit for climate changes. Also, humanity force is another cause for the drastic climate changes we are facing today. Finally, solar variability accounts for most or all of the warming in the late twentieth century and will dominate climate in the twenty-first century.
The existence of the greenhouse gases effect has been argued for many years. The argument and the evidence were further strengthened by scientists. Greenhouse gases is the process by which radiation from a planet 's atmosphere warms the planet 's surface to a temperature above what it would be in the absence of its atmosphere. Moreover, Carbon dioxide was the first gas to be described as a discrete substance. Burning of carbon-based fuels since the industrial revolution has rapidly increased its concentration in the atmosphere, leading to global warming and climate changes. Also, Methane is created near the Earth 's surface and also found in the deep water of the Ocean. Today it…

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