Climate Change Caused Over 70% of Record Heat Deaths Globally, Report Finds, with Significant Economic Impact in Bangladesh

The 2026 Lancet Countdown Report on Health and Climate Change reveals that human-caused warming was responsible for over 70% of a record 710,000 heat-related deaths worldwide. In Bangladesh, heat exposure alone is estimated to have caused a loss of $17.5 billion in potential earnings in 2025. The report, updated on November 1, 2026, highlights that climate-related health dangers intensified more rapidly in the decade after the Paris Agreement than in the decade prior.