Impact of Urban Rooftop Rainwater Harvesting on Water Security in Sana’a, Yemen: Assessing Adaptation Strategies to Water ScarcityImpact of Urban Rooftop Rainwater Harvesting on Water Security in Sana’a, Yemen: Assessing Adaptation Strategies to Water Scarcity. jhs 2026, 5 (7), 691-716. https://doi.org/10.59628/jhs.v5i7.2563.