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The report finds that human-induced climate change significantly increased the frequency and intensity of extreme heat globally from May 2024 to May 2025, affecting billions of people and making all 67 identified significant heat events more likely. It highlights the disproportionate impact on vulnerable populations and the systemic failure to accurately document heat-related mortality, while advocating for a combination of urban heat action plans and aggressive fossil fuel mitigation.

The report analyzes urban sanitation trends across Sub-Saharan Africa, China, India, South East Asia, and Latin America, while examining the technical and social interactions between these systems and menstrual waste disposal. It finds that menstrual products, particularly those with super-absorbent materials, frequently cause blockages in water-borne sewerage systems and reduce the design life of on-site pit latrines. The document argues that menstrual management is largely ignored in sanitation design, leading to privacy issues for women and operational failures in infrastructure. It recommends the use of solid waste streams for menstrual product disposal and the design of 'women-friendly' facilities that include private waste bins and hand-washing stations.