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  • Writer's pictureSylvain Richer de Forges

Comparative analysis of rainwater harvesting in south east asia

Rainwater Harvesting Policies in Southeast Asia: A Comparative Overview




Amidst the global push for sustainability, rainwater harvesting emerges as a pivotal solution. Let's delve into Southeast Asia's approach, comparing policies and initiatives across key countries:



1. Singapore:


 Pioneering water management, Singapore's ABC Waters Program has integrated rainwater harvesting, contributing approximately 17% of the nation's water demand. PUB Singapore aims to expand this to 50% by 2060.



2. Malaysia:


With a national policy emphasizing water conservation, Malaysia has witnessed a surge in residential rainwater harvesting systems, contributing around 10-15% to the total water supply.



3. Thailand:


Focusing on agriculture, Thailand's Royal Rainmaking Project aims to increase rainfall. Additionally, community-based rainwater harvesting systems have contributed significantly to rural water security.



4. Vietnam: Encouraged by the government, Vietnam has seen a rise in local initiatives. Community-based rainwater collection systems provide access to clean water, benefitting approximately 40-60% of rural households.



These diverse strategies highlight how each country tackles water management challenges uniquely. 



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