O Level Biology 2 Views 1 Answers
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SouravNovember 4, 2024

Describe that the growth of the human population is increasing the demand for global resources

Describe that the growth of the human population is increasing the demand for global resources
Sourav
SouravNovember 4, 2024

Answer

The growth of the human population is significantly increasing the demand for global resources, leading to various environmental and social challenges. Here’s an overview of how this phenomenon unfolds:

1. Increased Resource Extraction

As the global population continues to rise—surpassing 8 billion—there is a corresponding increase in the extraction of natural resources. This includes:

  • Fossil Fuels: The demand for energy sources such as oil, gas, and coal has surged, contributing to climate change and environmental degradation due to their extraction and combustion.
  • Water: The need for freshwater for drinking, agriculture, and industrial processes has intensified. Over-extraction from rivers and aquifers threatens water availability and quality.
  • Food Production: With more mouths to feed, agricultural practices have intensified, often leading to overuse of land and water resources, soil degradation, and loss of biodiversity.

2. Urbanization and Land Use Changes

Population growth drives urbanization, which alters land use patterns:

  • Habitat Destruction: Expanding urban areas require land for housing, infrastructure, and agriculture. This often results in deforestation and the destruction of natural habitats, which further exacerbates biodiversity loss.
  • Agricultural Expansion: More land is converted into agricultural fields to meet food demands, impacting ecosystems and species populations. For instance, between 1962 and 2017, significant areas of natural ecosystems were converted into cropland or pasture.

3. Competition for Resources

As the population grows, competition for limited resources increases:

  • Food Scarcity: Despite advancements in food production, unequal distribution leads to food insecurity for many. The increased demand can strain food systems and lead to higher prices.
  • Water Conflicts: In regions where water is scarce, competition can lead to conflicts over access to this vital resource.

4. Environmental Degradation

The cumulative effects of increased resource extraction and consumption lead to severe environmental impacts:

  • Climate Change: Higher levels of greenhouse gas emissions from fossil fuel use contribute to global warming, resulting in extreme weather events and altering ecosystems.
  • Pollution: Increased industrial activity leads to greater pollution levels in air and water bodies, affecting human health and wildlife.

5. Sustainability Challenges

The rising demand for resources poses significant challenges for sustainability:

  • Overconsumption: Many regions consume resources at unsustainable rates. For instance, humanity currently uses resources at a rate equivalent to 1.7 Earths, indicating that we are depleting resources faster than they can regenerate.
  • Biodiversity Loss: The pressure on ecosystems from human activities leads to habitat destruction and species extinction, threatening global biodiversity

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