Despite their scientific-sounding names, air-cleaning technologies don't remove all the indoor air pollutants and many even generate undesirable chemicals like ozone.
A smog tower installed near the Shivaji Stadium Metro station by the Delhi govt has been touted by it as the first in India. But there are already such towers in India.
To be effective against high pollution levels, purifiers need to run almost constantly and their filters need replacing every few months. Those components often wind up in a landfill.
Companies that manufacture the air-purifier packages claim they can offer protection against airborne afflictions such as influenza, cold and flu, allergy, but not Covid.
Godrej claims its apartments have 10 times purer air than outside, but they also cost a few lakhs more than standard apartments in the same Gurugram sector.
Canada faces serious foreign interference issues, but these challenges must not be weaponized to unfairly target friendly and important allies like India.
In Episode 1544 of CutTheClutter, Editor-in-Chief Shekhar Gupta looks at some top economists pointing to the pitfalls of ‘currency nationalism’ with data from 1991 to 2004.
Among 19 Indian firms sanctioned by US Treasury Dept was Lokesh Machines Ltd accused of coordinating with 'Russian defence procurement agent to import Italy-origin CNC machines'.
While we talk much about our military, we don’t put our national wallet where our mouth is. Nobody is saying we should double our defence spending, but current declining trend must be reversed.
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