Reducing household waste is frequently presented as an individual responsibility. Consumers are encouraged to recycle, avoid disposable products and purchase environmentally friendly alternatives.

These actions are valuable, but some researchers argue that focusing exclusively on individual behaviour can obscure the role of larger systems.

Consider packaging.

A consumer may want to avoid plastic, but if most products available in local shops are packaged in plastic, individual choice is limited.

Similarly, people may wish to use public transport rather than private cars, but this option becomes unrealistic where transport networks are unreliable or unavailable.

This does not mean personal responsibility is irrelevant. Rather, effective environmental policy often requires action at several levels simultaneously.

Individuals can change consumption habits. Businesses can redesign products and supply chains. Local authorities can improve waste-management systems. National governments can establish regulations and economic incentives.

Environmental progress is therefore most likely when individual behaviour and institutional change reinforce each other.