Natural causes for extinction include the following: asteroids, acid rain, volcanic eruptions, earthquakes, climatic heating or cooling, changes in sea level or currents, cosmic radiation, predation and … The loss of animal and plant life has negative implications for the survival of the human … Scientists theorize that the next mass extinction on earth could occur as soon as 2050, according to National Geographic News. Even over 12,000 years ago human hunting helped the extinction of many massive vertebrate species (megafauna) though natural climate changes may have also played a role. This 6 th mass extinction is on us – Homo Sapiens.
But unfortunately, many analyses of what a sustainable human population level would look like presume that the goal is simply to keep the human race at a level where it has enough food and clean water to survive.
Thousands of populations of critically endangered vertebrate animal species have been lost in a century, indicating that the sixth mass extinction is human caused and accelerating. Top Causes of Current Extinctions. Human beings have played a very big role in ensuring that the climate of the earth is not static. The climate has been changing due to various activities that they, human beings, do … Over Hunting – The ivory of elephants, the fur and organs of tigers, the deliciousness of tuna and the supposedly medicinal effect of shark’s fin are some examples of why we have over hunted these animals to the point of extinction. The ongoing sixth mass extinction may be the most serious environmental threat to the persistence of civilization, because it is irreversible. Another cause of extinction can be attributed to the climate change that is human induced. Today, both natural and human induced factors are cause of extinction. Extinction of animals, plants, and other organisms caused by human actions may go as far back as the late Pleistocene, over 12,000 years ago. Plant and animal species become extinct for different reasons, both natural and man-made. Researchers argue that the Earth is in the midst of a modern, human-made, sixth extinction. Extinction has many causes, some of which are caused directly by humans and others which are parts of natural cycles or apocalyptic events. An extinction event is when many species are driven to extinction by a particular species, natural disaster, or other phenomenon. The UN Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Service: Due to the human impact on the environment, about a million animal and plant species are on the verge of extinction. The Holocene extinction is mainly caused by human activities. Researchers from Flinders University in South Australia argue that humans are probably causing what ice ages and asteroids caused before them. Humans are bringing about the sixth mass extinction of life on Earth, according to scientists writing in a special edition of the leading journal Nature.
Extinction is the most serious, utterly irreversible effect of unsustainable human population. For more than 3.5 billion years, living organisms have…
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