Q.Discuss the role of an individual to reduce environmental pollution.

Step 1. At the household level, an individual can apply the chapter's own '4R' framework -- refusing unnecessary plastic items, reducing overall consumption, reusing containers and materials, and recycling paper, plastic and glass -- directly cutting the solid waste stream at its source.

Step 2. Choosing to support or practise organic farming, as pioneered in Tamil Nadu by G. Nammalvar, avoids the soil, water and air pollution caused by overused chemical fertilisers and pesticides.

Step 3. Everyday behavioural choices matter too: using public transport or carpooling instead of private vehicles cuts vehicle emissions, servicing vehicle engines regularly reduces both air and noise pollution, and avoiding firecrackers (or choosing eco-friendly ones) limits both air and noise pollution during festivals. …

Organise individual actions around the chapter's own concrete recommendations: 4R waste practice, organic farming …

• Giving only vague advice ('be more careful') without citing the chapter's specific recommended practices (4R, organic farming, public transport). …