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.
The US and Israel’s assassinations of Iranian leadership ended up bestowing martyrdom on those killed. Shias saw the deaths as a continuity of martyrdom from the Battle of Karbala.
India’s fast-growing data centre sector may strain state electricity networks; Central Electricity Authority has urged Maharashtra, Andhra Pradesh, Telangana and Tamil Nadu to boost capacity.
Indian Navy chief Admiral Dinesh Tripathi said that the ongoing conflict in West Asia illustrates that speed is no longer merely an enabler of warfare but a distinct capability.
China patiently invested capital, skill and technology in coal gasification. Unlike it, we won’t move from words to action. As crude prices decline, we lose interest.
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