Lakes are collection centres of water from streams, and rivulets, and are in many cases, the interface between fresh water sources and sea water. Near the sea side, they are fed by rivers or rivulets and are protected from sea water by a naturally formed sand bar. They provide a habitat to aquatic lives, birds and are a breeding and spawning ground too. In addition, they absorb most of the flood waters and rainfall runoff, and keep the waters available in case of a drought later. They also maintain water levels in nearby wells high. No wonder why many lakes are declared as Protected water bodies by the Ramsar Convention. But what is happening to them? Simply put, they are on the verge of extinction, due to the following factors 1. Aggressive plant and aquatic life 2. Human activity 3. Climatic changes, owing to Global warming Lakes in Thiruvananthapuram Thiruvananthapuram can boast of having Four lakes inside the district: Akkulam-Veli lake, Vellayani Lak...