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South Asia Extreme Heat Crisis
Environment & Climate

South Asia Extreme Heat Crisis

Severity
8/10
Impact
1.5Bpeople
Trend
worsening
Cost
$1.8B
South Asia’s heat crisis remains severe and is intensifying across India, Pakistan, and Bangladesh, with recent evidence showing that the April 2026 heatwave in India and Pakistan brought daily maximum temperatures above 46°C in many cities and caused at least 37 heat-related deaths in India and 10 deaths in Karachi, Pakistan. World Weather Attribution said human-caused climate change made that event about three times more likely and about 1°C hotter, while the broader regional monitoring highlights that dangerous pre-monsoon heat is becoming more frequent and lasting longer. The economic and infrastructure impacts are now a central part of the crisis. The World Bank reported in July 2026 that extreme heat is already costing South Asia the equivalent of 31 million full-time jobs each year and could reduce the region’s economy by nearly 7% by 2050, while Bangladesh alone lost an estimated US$1.3–1.8 billion in 2024 from heat-related productivity losses. In Bangladesh, heat has also strained electricity systems, with reports of a 16% generation shortfall during the April 2026 heatwave and rural outages lasting up to 10 hours a day, and more recent reporting in October 2026 shows continued load shedding during renewed searing heat.

Recent Developments

012026-07-29: The World Bank said extreme heat is costing South Asia the equivalent of 31 million full-time jobs a year and could cut regional GDP by nearly 7% by 2050.

022026-05-14: World Weather Attribution said the April 2026 India-Pakistan heatwave was about three times more likely and about 1°C hotter because of human-caused climate change, with at least 37 deaths in India and 10 in Karachi reported.

032026-10-04: Bangladesh power cuts worsened amid searing heat, with reported demand of 16,237 MW against production of 13,988 MW and outages of up to 10 hours in rural areas.

Interventions

  • World Bank recommendations to expand Heat Action Plans, heat-resilient infrastructure, sustainable cooling, and early warning systems across South Asian cities.
  • Regional climate-risk monitoring and attribution efforts documenting extreme-heat trends and supporting public warnings.

What Works

  • Heat Action Plans combined with early warnings and public cooling measures reduce illness and deaths during heatwaves.
  • Heat-resilient urban infrastructure, sustainable cooling, and worker protections help limit productivity losses and service disruption during extreme heat.

How to Help

  • Donate to organizations providing heat-risk relief, public health support, and worker protection in South Asia.
  • Support local NGOs and community groups that distribute water, shade, cooling access, and heat-health information.
  • Advocate for stronger heat action plans, power-system resilience, and worker protections through elected representatives.

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Verified Organizations

Organizations Helping(24)

The Bangladesh Red Crescent Society is using a Heatwave Early Action Protocol to trigger early measures before dangerous heat impacts communities. Its work focuses on anticipatory action, heat-risk reduction, and coordination with disaster preparedness partners to minimize health harms during intense heatwaves.

AIDMI collaborates with local governments, NGOs, and communities to develop and implement heat action plans that include early warning systems, public awareness campaigns, and capacity-building activities. They conduct research on heat-related health risks, promote heat-resistant infrastructure, and advocate for policies to reduce heat-related mortality and morbidity while improving community resilience in India and across South Asia.

In Nepal, Practical Action develops heatwave early warning and early action systems to strengthen community resilience against urban heat islands and extreme heat events. Their work focuses on climate-resilient practices, evidence-based interventions, and capacity building tailored to South Asian contexts.

GHHIN is establishing a South Asia Regional Heat Action Hub in 2025 to convene stakeholders from government, academia, civil society, and private sectors across at least four countries. The hub facilitates knowledge exchange, drives policy change, implements practical interventions, and strengthens local capacity to manage extreme heat risks, with funding and technical support provided for 2025-2028.

Sources & Citations

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