Natural-Resources-Understanding-Our-Planets-Wealth.pdf
- 1. Natural Resources: Understanding Our Planet's Wealth This presentation delves into the definition, classification, advantages, and disadvantages of natural resources, culminating in a discussion on sustainable management for our shared future.
- 2. Introduction: Why Natural Resources Matter to Us All Natural resources are the foundation of all life and human activity, providing everything from the air we breathe to the materials that build our cities. Understanding their importance is crucial for informed decision-making and sustainable living. Essential for Survival Resources like water, air, and fertile soil are vital for human and ecological survival. Economic Foundation They power industries, create jobs, and contribute significantly to global economies. Future Generations Their responsible management ensures availability for future generations.
- 3. Defining Resources: What Constitutes a 'Resource' in Nature? A natural resource is anything found in nature that humans can use. This includes raw materials, energy sources, and ecological services that support life.
- 4. Classification I: Biotic Resources 3 Life's Essential Contributions Definition Biotic resources are living or organic materials obtained from the biosphere. They are capable of reproduction and thus renewable, given proper management. Forests and wildlife Crops and livestock Fish and marine life
- 5. Classification II: Abiotic Resources 3 The Earth's Non-Living Treasures Definition Abiotic resources are non-living physical and chemical elements of nature. Many are non-renewable as they take millions of years to form. Land and water Minerals (iron, copper, gold) Fossil fuels (coal, petroleum, natural gas)
- 6. Classification III: Renewable Resources 3 Nature's Capacity to Regenerate Solar Energy Limitless energy from the sun, harnessed through solar panels for electricity and heat. Wind Energy Kinetic energy of wind converted into electricity using wind turbines. Hydropower Electricity generated by flowing water, typically through dams. Forests Trees can be replanted and regenerate, providing timber, oxygen, and habitat. Renewable resources replenish naturally over a relatively short period, making them sustainable if managed properly. They are crucial for a greener future.
- 7. Classification IV: Non-Renewable Resources 3 Finite Assets, Responsible Use Non-renewable resources exist in fixed amounts and are consumed much faster than they are formed. Once depleted, they are gone forever, or take millions of years to regenerate. 1 Fossil Fuels Coal, petroleum, and natural gas formed over millions of years from organic matter. Primary energy sources globally. 2 Minerals Metals like iron, copper, gold, and non-metals such as limestone and phosphates are finite and crucial for industries. 3 Groundwater (limited) While water is renewable, underground aquifers can be depleted if extraction rates exceed recharge rates.
- 8. Advantages of Natural Resources: Fueling Development and Well-being Natural resources are pivotal for human progress, driving economic growth, and enhancing quality of life across the globe. 60% Energy Production Over 60% of global energy comes from natural resources, powering industries and homes. 40% Agricultural Output Approximately 40% of the world's economy relies on agriculture, heavily dependent on fertile land and water resources. 1.5B Job Creation The natural resource sector directly employs over 1.5 billion people worldwide.
- 9. Disadvantages and Challenges: The Impact of Resource Over-exploitation Unchecked exploitation of natural resources leads to severe environmental degradation and socio-economic challenges, demanding urgent attention. Deforestation Loss of biodiversity, climate change, soil erosion. Water Scarcity Agricultural decline, health issues, potential conflicts. Pollution Air and water contamination, ecosystem damage, human health risks. Resource Depletion Economic instability, increased costs, search for alternatives.
- 10. Conclusion: Towards Sustainable Management of Our Natural Heritage Ensuring the long-term availability of natural resources requires a holistic approach, balancing human needs with ecological preservation. Promote Renewable Energy Invest in solar, wind, and hydro power to reduce reliance on fossil fuels. Conserve Water Implement efficient irrigation techniques and wastewater recycling. Sustainable Agriculture Encourage organic farming, crop rotation, and responsible land use. Reduce, Reuse, Recycle Minimise waste and maximise the lifespan of products to conserve raw materials.