RAIN WATER SAVING
Video at https://youtu.be/UcXGc0XQ2Gc
RAIN WATER SAVING CHENNAI Rain water harvesting is a technique of collection and storage of rainwater into natural reservoirs or tanks, or the infiltration of surface water into subsurface aquifers (before it is lost as surface runoff). One method of rainwater harvesting is rooftop harvesting. Ⓔⓥⓔⓡⓨⓣⓗⓘⓝⓖ ⓘⓢ ⓓⓔⓢⓘⓖⓝⓔⓓ. Ⓕⓔⓦ ⓣⓗⓘⓝⓖⓢ ⓐⓡⓔ ⓓⓔⓢⓘⓖⓝⓔⓓ ⓦⓔⓛⓛ.