Write 5 or more points on how Natural resources of the Earth are polluted over the years by human settlements with proper examples.
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Natural resources of the Earth are polluted over the years by human settlements :
- Land-use change: Humans may destroy natural landscapes as they mine resources and urbanize areas. This is detrimental, as it displaces residing species, reducing available habitats and food sources.
- Pollution: Pollution can occur from the runoff or disposal of chemical substances, or from industrial wastes and vehical combustion.
- Introduced species: Humans may unintentionally, or intentionally, introduce a non-native species into an ecosystem. This can negatively effect an ecosystem because the introduced species may outcompete native organisms and displace them.
- Resource exploitation: Humans consume large amounts of resources for their own needs. Some examples include the mining of natural resources like coal, the hunting and fishing of animals for food, and the clearing of forests for urbanization and wood use.
- Climate change: Human activity is changing Earth's atmosphere faster than it has ever changed during its history.The current climate change Earth is facing is caused by the increase in global temperatures.The burning of fossil fuels and the growth of animal agriculture has led to large amounts of greenhouse gases (such as carbon dioxide and methane) in the atmosphere. Higher concentrations of greenhouse gases trap more heat in the biosphere and result in global warming.When climate change affects an environment so much that it is unable to sustain organisms, they must adapt, relocate, or face extinction. Because of this, climate change can have a huge effect on biodiversity.