Surprising ways to keep waterways healthy!

Singapore is finding surprising ways to keep waterways healthy, without relying on harsh fixes. You might hear stories about otters being “trained” to patrol reservoirs and control invasive fish, as if they are part of a planned wildlife program. The reality is simpler and, in its own way, even more impressive: otters are highly intelligent predators, and when their habitats support them, they naturally hunt and shape what lives in the water. What makes this idea so appealing is the principle behind it. A balanced ecosystem can do work that machines and chemicals often try to force, but with far less disruption. Sometimes the best solution is not adding more technology. It is letting nature do what it already knows how to do.