“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, vol. 5, no. 7, pp. 691–716, Jul. 2026, doi: 10.59628/jhs.v5i7.2563.