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Human Impact on the Geosphere

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Abigail Cahill

on 10 October 2013

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Transcript of Human Impact on the Geosphere

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli






Humans have many negative impacts on the Earth such as mineral extraction, deforestation, and population growth, plus using mineral resources has so many environmental costs and virtually no benefits.
Mineral Extraction
Mineral extraction is the extraction of a variety of materials for profit or to produce energy. It can be done in a variety of ways including: fraking, oil drilling, strip mining, and mountain top removal
deforestation is the removal of natural forests. There is a type of deforestation called clear cutting which is when every tree in a forest for other uses (like building a large city or a mall)
Population Growth
ever since the 1950's the worlds population has almost doubled. The reason why it is happening is because medicine has evolved so much that the mortality rate has lowered (and now there's a lot of old people)!
human impact on the biosphere
mineral extraction, deforestation, and population growth all have devastating effects on the Earth . The noise from mineral extraction causes animals to run away from their natural habitat and deforestation completely destroys their natural habitat. Also mineral extraction produces runoff that can get in to fresh water supplies and make thousands of people seriously ill or even die.
How to reduce our negative impact
To reduce our negative impact we must start finding alternative energy sources and using other resources instead of wood to cut down on deforestation. Another thing we can do is to stop driving everywhere and to not litter.
an example of strip mining
An oil rig
Clear cutting
An extremely packed beach
a bear driven from it's natural habitat due to deforestation
smog due to large amounts of air pollution
Deforestation, mineral extraction, and population growth are terrible things and the benefits of using mineral resources don't outweigh the environmental costs.
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