raghavendrasingh2003
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Oct 20, 2024
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About This Presentation
This powerpoint depicts about the natural resources and how to control them and what are the measures to make it correct .
Natural Resources: Foundation of Life and Development
Natural resources are materials and substances that exist in the natural environment and are essential to human survival a...
This powerpoint depicts about the natural resources and how to control them and what are the measures to make it correct .
Natural Resources: Foundation of Life and Development
Natural resources are materials and substances that exist in the natural environment and are essential to human survival and economic activity. They can be classified into various types depending on their origin, renewability, and utility in everyday life. From the air we breathe to the energy we consume, natural resources form the foundation of civilization. The effective management and sustainable use of these resources have become central to global discussions on environmental conservation, economic growth, and sustainable development.
In this essay, we will explore the different types of natural resources, their importance, challenges in managing them, and the role they play in human development and the ecosystem.
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Types of Natural Resources
Natural resources can be broadly categorized into two main types based on their renewability: renewable and non-renewable resources. Additionally, they are sometimes classified into biotic and abiotic resources based on their biological or non-biological origin.
Renewable Resources
Renewable resources are those that can replenish naturally over time. These resources are abundant in nature and can be regenerated either through biological or natural processes, provided they are used sustainably. Examples of renewable resources include:
1. Solar Energy: The energy from the sun is virtually inexhaustible and can be harnessed for various applications such as electricity generation, heating, and lighting.
2. Wind Energy: Similar to solar energy, wind is a renewable resource that can be used to generate electricity through wind turbines.
3. Water (Hydropower): Water is essential for all forms of life and can be used to generate electricity through hydroelectric power plants. Freshwater is also a crucial resource for drinking, irrigation, and industrial use.
4. Biomass: Organic materials such as wood, agricultural crops, and waste can be used to generate bioenergy, a renewable energy source.
5. Geothermal Energy: This refers to the heat from within the Earth, which can be harnessed to generate electricity and heat buildings.
Renewable resources are key to the transition toward more sustainable forms of energy and resource use. However, the ability to regenerate these resources depends on the balance between their consumption and the natural processes that replenish them.
Non-Renewable Resources
Non-renewable resources are those that do not replenish within a human lifespan, or at a rate that is sustainable given human consumption. These resources are finite and are subject to depletion. Examples of non-renewable resources include:
1. Fossil Fuels (Coal, Oil, Natural Gas): These are derived from the remains of ancient plants and animals, and they have been the primary source of energy for the industrial world.Than
Size: 1.48 MB
Language: en
Added: Oct 20, 2024
Slides: 11 pages
Slide Content
Natural Resources
INTRODUCTION Naturally occurring resources can be called as “natural resources”. Natural resources can be defined as ‘variety of goods and services provided by nature which are necessary for our day-to-day lives’. Natural resources is defined as “A form of energy and/or matter which is essential for the functioning of organism, population and ecosystem”
INTRODUCTION Some of natural resources are Land Resources Forest Resources Water Resources Energy Resources Mineral resources Food resources
TYPES OF NATURAL RESOURCES They are of two types of resources namely renewable and non-renewable resources. Renewable resources: The resources that can be replenished through rapid natural cycles are known as renewable resource. Ex: Plants, (crops and forests) and animals Non-renewable resources: The resources that cannot be replenished through natural processes are known as non-renewable resources. These are available in limited amounts, which cannot be increased. These resources include fossil fuels (petrol, coal etc.), metals (iron, copper, gold, silver, lead, zinc etc.), minerals and salts
Non-renewable resources: Recyclable: These are non-renewable resources, which can be collected after they are used and can be recycled. These are mainly the non-energy mineral resources, which occur in the earth’s crust (Ex: Ores of aluminum, copper, mercury etc.) and deposits of fertilizer nutrients (e.g. Phosphate sock and potassium and minerals used in their natural state (asbestos, clay, mica etc.) Non-recyclable: These are non-renewable resources, which cannot be recycled in any way. Ex: Fossil fuels and uranium, which provide 90 per cent of our energy requirements.
Forest Resources A forest can be defined as a biotic community predominant of trees, shrubs or any other woody vegetation usually in a closed canopy. India’s Forest Cover is 6,76,000 sq.km (20.55% of geographic area). Scientists estimate that India should ideally have 33% of its land under forests. Today we only have about 12% Thus we need not only to protect our existing forests but also to increase our forest cover.
Functions of forest It performs very important function both to human and to nature. 1. They are habitats to millions of plants, animals and wild life. 2. They recycle rain water. 3. They remove pollutant from air. 4. They control water quality. 5. They moderate temperature and weather. 6. They influence soil condition and prevent soil erosion.
Uses of forest 1. Commercial uses 2. Ecological uses
Commercial uses: i . Wood – used as a fuel ii. Supply wood for various industries – Raw materials as pulp, paper, furniture timber etc. iii. Minor forest products – gum, dyes, resins iv. Many plants – Medicines v. Supply variety of animal products – honey. Ivory, horns etc. vi. Many forest lands are used for - Mining, grazing, for dams and recreation .
Ecological uses Production of oxygen Reducing global warming Soil conservation Regulation of hydrological cycle Pollution moderators Wild life habitat