AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Sustainable development means using resources to meet present needs without compromising future generations' needs, whereas indiscriminate use leads to resource depletion, environmental degradation, and ecological crises.
The key contrast examiners look for: sustainable development = balanced use preserving resources for the future; indiscriminate use = overexploitation causing depletion and ecological problems. Quoting the textbook definition of sustainable development strengthens the answer.