Landfills don’t work, learn to segregate garbage

The thought of an Indian city most often throws up images of teeming millions, traffic snarls, dust and noise and, of course, dirty street corners overflowing with rubbish.

As cities attract more people the problem of waste reaches its zenith. What was earlier considered a mere nuisance or an unpleasant sight resulting from a lack of civic sense has now become a problem of giant proportions.

The Ghazipur landfill in Delhi is now 65 metres tall. . .