FINE KILL The health effect of ULTRAFINE particles - smaller than 0.1 micron in diameter - on human health was never properly studied. Epidemiological studies done till now only linked the effects

It is unimaginable. Air quality in most Indian cities is at critical levels. And the culprit respirable particulates are way above danger mark in most cities monitored. Yet government and industry are only too happy to join hands to script mass obitua

A recent US study has conclusive evidence on the deadly nature of fine particulate matter in the air. These unseen particles, mostly emitted by the combustion of fossil fuels, are cutting our lives shorter by increasing the chances of lung cancer and

Sanitation for urban India means building flush toilets and linking them to sewer systems. But the price of chasing this dream is leading to an environmental catastrophe. MANOJ NADKARNI analyses our flush and forget mindset

We need to go back to the drawing board to reinvent a green toilet. If necessary, to go back to our past and find technological innovations that are sustainable and equitable. So that every Indian can have access to sanitation and still have clean water t

The flush toilet system and the sewage system, which goes with modern day personal hygiene and cleanliness, are part of the environmental problem and not the solution. Consider the huge amount of clean water that is used to carry a small quantity of human

Caught in the polluting haze of two and three wheelers, Asia is completely helpless today. The menace of these vehicles is unique to Asia. Therefore, the solutions have to come from within. But experts question the continent's capability to come up