Could a grid of giant filters help clean up Delhi's polluted air?

Thinking big in the fight against smog, architects have designed 100m-high pollution-absorbing towers for India’s capital city

The Indian capital regularly tops lists of the most polluted cities on earth and its residents even refer to the months when a confluence of events – crop burning, no rain, fireworks – leads to low visibility and breathability as “smog season”.

But a new concept by the Dubai-based architecture firm Znera imagines a solution embedded into the Delhi skyline: a network of giant towers that would absorb pollution and recycle it back into breathable air.

We drew up this dystopia to shock people into realising that if something isn’t done we are approaching an irreversible disaster

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