Natural Resources and Their Use
Natural resources are materials and substances that occur in Nature and are valuable to humans; they are classified as renewable (solar energy, wind, flowing water, timber) or non-renewable (coal, petroleum, iron, copper, gold), and their uneven distribution shapes trade, settlements, and conflicts.
- 1An entity from Nature becomes a resource only when it is technologically accessible, economically feasible, and culturally acceptable.
- 2Resources are categorised by use: essential for life (air, water, soil), sources of materials (wood, marble, coal, gold), and sources of energy (coal, petroleum, natural gas, sunlight, wind).
- 3Renewable resources such as solar energy, wind, flowing water, and timber can regenerate if harvested at a sustainable rate; over-harvesting can turn them effectively non-renewable.
- 4Non-renewable resources—coal, petroleum, iron, copper, and gold—are formed over long periods and cannot be replenished at the rate of use; India's coal reserves are estimated to last about 50 more years.
- 5Natural resources are unevenly distributed, shaping settlements, trade, and conflicts; Kaveri River water-sharing among Karnataka, Tamil Nadu, Kerala, and Puducherry is one example.



