The wastes produced at homes, school, or during trips to other places are plastic containers, paper, electronic goods, leftover food, food packages, disposable glasses, polythenes, etc.
Yes, the wastes are often reduced through judicious use of material by changing our habits and lifestyles.
Out of these, polythene and plastic material are hard to dispose of as they are non-biodegradable but they can be reduced as recycled back.