Global Warming Is A Natural Phenomenon - your
An extinction-level event also known as a mass extinction or biotic crisis is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp change in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases with respect to the rate of speciation. Estimates of the number of major mass extinctions in the last million years range from as few as five to more than twenty. These differences stem from the threshold chosen for describing an extinction event as "major", and the data chosen to measure past diversity. Because most diversity and biomass on Earth is microbial , and thus difficult to measure, recorded extinction events affect the easily observed, biologically complex component of the biosphere rather than the total diversity and abundance of life. Based on the fossil record , the background rate of extinctions on Earth is about two to five taxonomic families of marine animals every million years. Marine fossils are mostly used to measure extinction rates because of their superior fossil record and stratigraphic range compared to land animals. The Great Oxygenation Event , which occurred around 2. The most recent and arguably best-known, the Cretaceous—Paleogene extinction event , which occurred approximately 66 Ma million years ago , was a large-scale mass extinction of animal and plant species in a geologically short period of time.Accept. The: Global Warming Is A Natural Phenomenon
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| Global Warming Is A Natural Phenomenon | Watch the latest news videos and the top news video clips online at ABC News. 17 hours ago · Global warming is a phenomenon due to which the temperature of the earth’s surface; land, water, and atmosphere, is rising year-by-year due to many natural and human-made causes. Causes of Global Warming 10 Solutions for Climate Change - Scientific American. As the effects of global warming worsen, human health, livelihood, food security, water supply, and economic growth will be jeopardized. It is incumbent on us to implement a plan in order to reduce greenhouse gas emissions and begin to combat the consequential long-term and short-term effects of global warming on both the environment and on humans. |
Global Warming Controversy
Among the main consequences of global warming The melting of glaciers, the loss of crops, the decrease in habitable areas and the rise in sea level, among many others, stand out. In order to be able continue reading deeply analyze these consequences, it is necessary to emphasize that this is a phenomenon that has been observed in recent decades, in which the average temperature of planet Earth has gradually increased, making it warmer.
This increase is global because it occurs both in the atmosphere and on the earth's surface and in the bodies of water around the globe. Scientific studies that have been done on this phenomenon indicate that its causes are directly related to the actions of human beings.
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In other words, global warming is not a natural phenomenon, but rather man-made. What is worrisome about this phenomenon are its consequences that, over time, can be considered harmful or even deadly for all living beings on the planet in the not too distant future. For this reason, different awareness campaigns have been created about its causes but with special emphasis on its consequences, with Global Warming Is A Natural Phenomenon intention that, even out of fear, humans take the necessary actions to avoid this phenomenon and, thus, their own extinction. All the consequences of global warming that we can Wqrming are closely related to each other, since almost all are causes of other phenomena that share the same origin. Global warming is often confused with climate change, but they are two different concepts that are related because the second is one of the consequences of the first. Global warming is caused by human beings, while climate change is caused by planet Earth itself as a consequence of this action of human beings.
Climate is the set of natural conditions that surrounds a living being and allows its survival. These conditions have been created by Warrming planet in NNatural millions of click to see more of existence.
In all that time the Earth has generated gradual changes in the climate that do not represent a problem for the planet itself Global Warming Is A Natural Phenomenon for the living beings that inhabit there; on the contrary, they are natural changes that have the purpose of generating adaptation and survival.
These natural changes are not extreme and occur over hundreds or thousands of years. However, as a consequence of the actions of human beings that generate global warming, in the last four decades climate changes have been drastic, which has put the survival of living beings at risk. Climate change is the main consequence of global warming and almost all the others could be included in this single category, but since they are so numerous and diverse, it is necessary to study each consequence separately.
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As an obvious consequence of the increase in the planet's average temperature, the glaciers at the North and South Poles begin to partially or totally melt at an alarming rate. Based on NASA observations, different scientific studies determined that the largest thaw in Antarctica occurred in the s.
Based on these same observations, they have created models to make projections about the possible consequences of the current rate of thaw of Antarctica. Antarctica and Greenland. It is estimated that the thaw generates more water for the oceans, interrupting their natural course and causing a different distribution of heat throughout the planet. While the melting in Greenland is caused by different climatic conditions given its learn more here to the inhabited continents, in Antarctica the main cause is the high temperature accumulated by the ocean, which melts the lower part of the glaciers.
Among other consequences, this thaw causes the rise in sea level and the release Global Warming Is A Natural Phenomenon large read more of CO2, since one of the Global Warming Is A Natural Phenomenon functions of the ice caps is the control of the carbon cycle, since they normally absorb these toxic gases that generate the human activities. One of the most obvious indicators of the damage caused by global warming is the rise in sea level. As a logical consequence of the melting of glaciers and the increase in temperature, the sea is expanding.
In the last century, its level rose 19 centimeters and estimates indicate that it will rise from 40 to 63 centimeters during this century if the necessary forecasts are not taken. By itself this is one of the most important effects, but at the same time it generates other consequences that make it difficult for all living beings to live on Earth. If the increase continues as before and the projections established by scientists are met, entire cities including countries that are at sea level or a few centimeters above, could disappear completely under the ocean.
In addition to sea level, the extreme weather conditions that different areas of the planet have reached reduce the places where human beings can live.
By converting previously inhabited areas into uninhabitable, entire populations have been forced to emigrate, giving rise to the term Watming or environmental refugee" - sometimes also "displaced" - to identify people who have had to take refuge in other cities. This affectation must be such that it makes life impossible in that place, or that its reconstruction or recovery takes many years. As previously stated, the melting of glaciers means that the oceans do not distribute heat on the planet as they did before. For this reason, in areas where high temperatures are normally recorded, it has reached its see more numbers, while in low-temperature areas, it has reached its lowest levels.
In other words, the existing climatic conditions have been extreme. Likewise, maximum levels of high or low temperature have been recorded in places that are normally low or high temperature, respectively. In other words, climatic conditions opposite to normal have been detected. The same occurs with rains or precipitations, which have decreased or increased their frequency in some areas in a contrary way to what normally happened, and in others the usual amounts have been extreme.]
It's just one thing after another.