- The National Green Tribunal (NGT) has directed stakeholders to give specific schedule for cleaning the Yamuna. The NGT has also noted that repeated timelines have not been adhered to in the last 30 years and pollution of the river continues unabated.
- Earlier, the NGT had expressed dissatisfaction over the cleaning of the Yamuna River and directed Delhi, Haryana and Uttar Pradesh governments to submit a performance guarantee of ₹10 crore each within a month.
- The NGT had noted that almost 67% of the pollutants that enter the Yamuna would be treated by two sewage treatment plants at Delhi Gate and Najafgarh under the first phase of the Maili se Nirmal Yamuna Revitalisation Project 2017. The project aims to bring down pollution levels in the Yamuna River in Delhi.
- The Yamuna is the longest right bank tributary of River Ganga. It originates from the Yamunotri Glacier on the south western slopes of Banderpooch peak in the Lower Himalayas, Uttarakhand. It joins river Ganga at Triveni Sangam, Prayagraj, Uttar Pradesh
- The National Green Tribunal was established in 2010 under the National Green Tribunal Act 2010. The responsibility of the tribunal is to work on the disposal of cases related to environmental protection, conservation of forests and other natural resources
