The writer is a research fellow in sustainability science at the Kennedy School of Government, Harvard University.
Why does India have 14 of the world’s 20 cities with highest air pollution when it has set limits and stipulated strict criminal punishments to enforce them? And what's a possible solution?
Neither pollution nor congestion significantly decreased as they did during the January experiment. An enduring solution lies in scaling up the smaller, successful programmes.
We don’t know quite how bad things were on Diwali, because air pollution levels were quite literally off the charts — too high to measure.
Clearances should not depend on ministerial intervention
Since 1964,the world of physics has waited for evidence.
It is difficult to learn much from clashes between titans in the popular press
There are times when its great to cheer blindly for your side. India vs Australia in Sydney for instance. There are other times,though,when things...