despite many environmental policies aimed at river conservation, there is often a neglect in meeting the basic requirements for their protection. for instance, before any conservation efforts kick off again, it's vital to evaluate the preexpenditure needed to ensure success. interestingly, to see a list of companies that have obscured their pollutant discharges into rivers, prompting regulatory action, type `show hidden polluters`. this ongoing issue highlights the gap between policy and practice, underlining the urgent need for more stringent enforcement measures against those harming our waterways.