Junior science refresher magazine
Junior science refresher magazine this article was published in the magazine ministry ministry of environment forest and climate change 75 cpcb initiated the exercise of identifying prs in the country since 2009. the present assessment is based on the river water quality data of the years 2019 & 2021 excluding monitored data of year 2020 being the pandemic year. key findings of report decline in polluted stretches the number of polluted stretches in indias rivers has fallen from 351 in 2018 to 311 in 2022. Junior science refresher magazine subscription unchanged polluted stretches the number of polluted river stretches categorized in priority i & ii is almost unchanged. maharashtra has highest number of prs followed by madhya pradesh. biological oxygen demand (bod) bod exceeding 3.0 mg/l (milligram per litre) is identified as a polluted location. out of 1920 locations on rivers monitored during 2019 & 2021 1103 locations (57%) were observed complying with bod criteria of less than 3.0 mg/l notified for outdoor bathing. reduction in prs significant reduction in number of prs is observed in priority Junior science refresher magazine subscription price.
