Essay About Climate Change
Climate change is believed to be the biggest issue facing the Earth. It is a long-term change in the Earth’s temperatures and climate (“Climate Change”, Dictionary.com). Our atmosphere is part of the reason why we can live on Earth with reasonable temperatures. Humans have been emitting unnatural greenhouse gases, like coal, oil, and gas. This is changing the natural systems that take place in our atmosphere. When all these extra gases are released, carbon dioxide stars to accumulate in the atmosphere. Climate change is a global issue because when the temperature of the Earth changes even very slightly, it can cause droughts and our crops can die. This is affecting our food supply. Also, when water levels rise even slightly, it can be very destructive for …show more content…
There has been a significant increase in bushfires and droughts, and these have been associated with climate change. Rising sea levels are also very dangerous for Australia. In this report, I will be further mentioning the causes and impacts of climate change, and solutions for climate change.
Causes of Climate Change - 573
There are natural, as well as unnatural causes of climate change. Natural climate change can be divided into two sections, long-term and short term. One of the long term changes is continental drift. Our continents shifted over time and moved over the surface of the Earth over millions of years to what our continents look like today, as seen in Figure 1. (“Causes of Climate Change”, Edgar).
Figure 1: Continental Drift
At the Permian and Triassic eras, we had ‘supercontinents’. Continental drift makes the Earth’s climate change in many ways, ocean currents being one of them. When a continent is close to a large body of water, the water averages the temperature and administers more moisture. The ocean currents are responsible for moving water around the Earth. If land masses move closer to the North Pole, the
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Continental Drift In Australia
574 Words | 3 PagesConvection currents, seafloor spreading and rift valleys also drive the movement of the Earth’s plates. When Gondwana drifted apart, Antarctica, South America, Africa and Australia moved into the southern hemisphere and the Arabian Peninsula and the Indian Subcontinent moved into the northern hemisphere. The tectonic plates are always moving and the Australian plate is moving northwards at about 3cm per
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1200 Words | 5 PagesOn the other side, there is sharp decline in sea cover; glaciers and sea ice. Because of climate change, the earth is getting warmer, rain patters are changing, and snow and ice are melting at an alarming rate. As the global temperatures continue to rise, it is evident that we are going to see more changes in our climate and environment which changes are going to have severe effects on mankind and natural ecosystems. Over the past years, the Earth’s climate has been affected by natural factors that are external to the climate system, such as changes in volcanic activity, solar output, and the Earth's orbit around the Sun. In terms of the Earth’s energy balance, these factors primarily influence the amount of incoming energy and changes in solar irradiance which has contributed to climate trends over the past century.
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