How Karnataka and Tamil Nadu mismanaged their water and then blamed each other

Why is the Cauvery such a recurring flashpoint between Karnataka and Tamil Nadu?

In recent days, an array of hypotheses have been advanced to help answer that question. Some of these are broad in their scope – tracing the long history of the conflict. Others focus on the here and now – rainfall patterns and reservoir levels this year. Yet others have taken a more sociological look – which is how we ended up with diagnoses that include political grandstanding, Kannadiga nationalism, the role of the media, and more.

In the process, however, some ecological questions have not received the attention they deserve.