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Class 8 l SST Chapter 1 | Natural Resources and Their Use | One Shot l New NCERTl
Next Toppers Juniors
Overview
This video explains the concept of natural resources, their classification, and their importance for human life. It defines what a resource is, emphasizing that it must be economically feasible, technologically accessible, and culturally acceptable. The video categorizes resources into natural, human, and man-made, and then focuses on natural resources, discussing how nature becomes a resource when humans apply their knowledge and technology. It highlights the sacredness of nature and introduces concepts like sacred groves. The summary delves into the classification of natural resources based on their essentiality for life, material use, and energy provision. A significant portion is dedicated to differentiating between renewable and non-renewable resources, explaining their characteristics and providing examples. The video also touches upon human actions that disrupt natural cycles, the functions and services of ecosystems, and the uneven distribution of natural resources across the globe, leading to conflicts and geopolitical tensions. It explores the 'Natural Resource Curse' and 'Paradox of Plenty,' where resource-rich regions often experience slower economic growth due to corruption, over-dependence, and conflict. Finally, it introduces the concepts of stewardship, the ancient Indian science of 'Vriksha Ayurveda,' and initiatives like the International Solar Alliance, concluding with case studies on groundwater depletion in Punjab and organic farming in Sikkim, and the importance of equitable access to resources.
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Chapters
- A resource is anything present in the environment that can satisfy human needs.
- For something to be a resource, it must be economically feasible (within budget).
- It must also be technologically accessible, meaning it can be utilized with available technology.
- Finally, it needs to be culturally acceptable to the society.
- Nature becomes a resource when humans apply knowledge and technology to utilize environmental elements.
Understanding the definition and criteria for a resource is fundamental to identifying and valuing what the environment offers for human use and development.
A pen is a resource because it's in the environment, satisfies the human need to write, is economically feasible, technologically accessible (can be used to write), and culturally acceptable.
- Resources are broadly categorized into natural (e.g., air, rivers), human (e.g., doctors, teachers providing services), and man-made (e.g., buildings, schools).
- Nature is considered sacred, meaning it should be treated with deep respect and love.
- Indigenous traditions often revere nature, exemplified by practices like the worship of the Tulsi plant in India.
- A 'sacred grove' is a small forest or patch of trees protected by local people due to its sacredness, where cutting trees or harming wildlife is prohibited.
Recognizing the different types of resources helps in understanding their origins and roles, while appreciating nature's sacredness promotes responsible and respectful interaction with the environment.
The Bisnoi community in Rajasthan, who consider deer and trees sacred and protect them, exemplifies the concept of sacred groves and respecting nature.
- Natural resources essential for life include necessities like air (oxygen) and water.
- Resources for materials are elements from nature transformed into physical objects, like wood into chairs or cotton into clothes.
- Resources for energy are things that provide power for activities like cooking or running machines, such as coal for electricity and petroleum for vehicles.
Categorizing natural resources helps in understanding their diverse roles in sustaining life, providing materials, and powering our activities, which is crucial for resource management.
Wood from trees is a resource for materials, used to create furniture like chairs and tables.
- Renewable resources can be used again and again and are available in large quantities; they replenish quickly or are naturally abundant (e.g., sun, wind, water, trees).
- Non-renewable resources are exhaustible, exist in limited quantities, and take millions of years to form, meaning they can be depleted if over-exploited (e.g., coal, petroleum, natural gas).
- The key difference lies in their rate of replenishment and availability.
- Renewable resources generally cause less pollution and are considered environmentally friendly, while non-renewable resources often lead to more pollution and environmental harm.
Distinguishing between renewable and non-renewable resources is vital for sustainable development, as it informs how we should manage and conserve resources to ensure their availability for future generations.
Solar energy from the sun is renewable, while coal, formed over millions of years, is non-renewable.
- Nature operates on principles of restoration (humans fixing what they damage) and regeneration (nature healing itself).
- Human actions, such as industrialization using fossil fuels, deforestation, and pollution of water bodies, disrupt these natural cycles.
- An ecosystem is a system where living and non-living things interact in a specific area.
- Ecosystem functions include producing oxygen (trees), filtering water, preventing soil erosion (forests), and providing habitats for animals.
- Ecosystem services are the benefits humans derive from these functions, such as clean air, clean water, and fertile land.
Understanding nature's self-healing capabilities and how human activities disrupt them is crucial for recognizing our impact and the need for responsible environmental stewardship.
Trees producing oxygen is an ecosystem function, and the clean air we breathe as a result is an ecosystem service.
- Natural resources are unevenly distributed across the planet, influencing human settlements, trade, and international relations.
- This uneven distribution has historically led to conflicts and wars over control of valuable resources.
- Proximity to natural resources often leads to the location of industries, creating employment opportunities and fostering urbanization.
- However, this development can also lead to the displacement of people and threats to sacred natural sites.
- Nature does not recognize political boundaries, leading to tensions between states and countries over shared resources like rivers.
The uneven distribution of resources shapes global politics and economics, highlighting the importance of cooperation and fair management to prevent conflict and ensure equitable access.
The sharing of the Kaveri River water between Indian states like Karnataka and Tamil Nadu illustrates how natural resources crossing political boundaries can lead to disputes.
- The 'Natural Resource Curse' or 'Paradox of Plenty' describes situations where countries rich in natural resources experience slow economic growth due to corruption, poor governance, and over-dependence on a single resource.
- Valuable resources can also incite internal conflicts and wars.
- Stewardship means using natural resources responsibly and wisely to ensure their availability for future generations, respecting nature's cycles of restoration and regeneration.
- Irresponsible resource use leads to pollution, biodiversity loss, and climate change.
- Ancient Indian science like 'Vriksha Ayurveda' offers insights into plant care, soil-plant relationships, and sustainable agriculture.
This section emphasizes that resource wealth alone does not guarantee prosperity and introduces the critical concept of stewardship for sustainable resource management and the well-being of future generations.
Countries like Nigeria and Venezuela, rich in oil but facing poverty and high crime rates, exemplify the Natural Resource Curse.
- Initiatives like the International Solar Alliance, co-founded by India and France, promote the use of solar power as a renewable energy alternative.
- India is developing large-scale solar parks, such as the Bhadla Solar Park in Rajasthan, to transition to renewable energy.
- A case study of Punjab highlights the severe groundwater depletion caused by the over-exploitation of water for high-yield crop varieties during the Green Revolution, exacerbated by free electricity for farming.
- The production of cement causes significant pollution, impacting air quality, plant growth, and soil/water. Traditional building materials like mud and stone offer eco-friendly alternatives.
- Sikkim became India's first fully organic state by promoting organic farming, eliminating chemical fertilizers and pesticides, leading to improved soil health, increased farmer income, and environmental benefits.
Examining case studies demonstrates both the negative consequences of unsustainable resource use (Punjab, cement production) and the positive outcomes of adopting sustainable practices (Sikkim, solar energy), providing practical lessons for resource management.
Sikkim's transition to becoming India's first fully organic state by banning chemical fertilizers and pesticides.
Key takeaways
- A resource is defined by its presence in nature, economic feasibility, technological accessibility, and cultural acceptability.
- Natural resources are crucial for life, materials, and energy, but their sustainability depends on distinguishing between renewable and non-renewable types.
- Human activities significantly disrupt natural environmental cycles, necessitating responsible stewardship and respect for nature's sacredness.
- The uneven distribution of natural resources can lead to geopolitical tensions and conflicts, while the 'Natural Resource Curse' shows that resource wealth doesn't automatically equate to prosperity.
- Sustainable practices, such as organic farming and transitioning to renewable energy sources like solar power, are essential for conserving resources and protecting the environment for future generations.
- Ancient knowledge systems like Vriksha Ayurveda offer valuable principles for sustainable agriculture and plant care.
- Equitable access to essential resources like clean water and air is a significant challenge that requires collective action and a focus on the well-being of all, not just oneself (Lok Sangrah).
Key terms
ResourceEconomically FeasibleTechnologically AccessibleCulturally AcceptableNatural ResourcesHuman ResourcesMan-made ResourcesSacred GroveRenewable ResourcesNon-renewable ResourcesEcosystemEcosystem ServicesNatural Resource CurseParadox of PlentyStewardshipVriksha AyurvedaInternational Solar AllianceOrganic FarmingLok Sangrah
Test your understanding
- What are the three essential criteria that must be met for something to be considered a resource?
- How does the concept of 'sacred groves' reflect a respectful approach to nature?
- Explain the fundamental difference between renewable and non-renewable resources, providing an example of each.
- What is the 'Natural Resource Curse,' and what factors contribute to it?
- How can the principle of 'Stewardship' guide our use of natural resources to ensure sustainability for future generations?