TODAY’S PAPER | May 18, 2026 | EPAPER

Fighting the heat

Letter May 18, 2026
Fighting the heat

KARACHI:

Karachi is currently facing a deepening environmental crisis in which rising temperatures and deteriorating air quality are increasingly undermining urban life. As Pakistan’s largest metropolis and its primary economic engine, the city is now grappling with extreme heat patterns and persistent pollution that are reshaping daily existence. In recent years, heatwaves have grown more intense and frequent, disproportionately affecting low income communities that lack access to adequate protection and resources.
The underlying causes of this crisis are both structural and human-driven. Rapid and unregulated urban expansion, coupled with widespread deforestation, has severely disrupted the city’s ecological balance. The unchecked proliferation of concrete infrastructure has eliminated natural cooling mechanisms, intensifying the urban heat island effect. Meanwhile, vehicular emissions and industrial discharge continue to degrade air quality, contributing to a rising incidence of diseases. Compounding the issue is the mismanagement of solid waste and the excessive use of plastic. The burning of plastic releases highly toxic pollutants into the atmosphere, while clogged drainage systems filled with unmanaged waste frequently result in urban flooding and the spread of waterborne diseases during the monsoon season. Collectively, these factors place immense strain on the city’s already fragile environmental system.
If immediate action is not taken, Karachi risks sliding further into environmental collapse, making it increasingly uninhabitable. What the city requires now is decisive policy action coupled with strict implementation and long-term environmental commitment to secure a livable future for its residents.
Ramsha Kanwal
Karachi