LUCKNOW, June 4 -- At first glance, the Gomti appears healthier than it has in years. The riverfront is lined with walkers at sunrise, cyclists occupy dedicated tracks and landscaped embankments have transformed large sections of the river into one of Lucknow's most recognisable public spaces. But beyond the manicured stretches lies a river fighting for survival.

As World Environment Day is observed today (June 5), experts warn that despite years of intervention and thousands of crores spent on cleaning and rejuvenation projects, the Gomti remains under severe ecological stress. Pollution levels continue to be a concern, aquatic biodiversity is shrinking, and rapid urbanisation is placing fresh pressure on a river that serves as the city...