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DISSOLVED OXYGEN LEVELS
As Yamuna chokes, political heat rises in Mathura ahead of 2027 UP electionsThe deteriorating condition of the Yamuna river in Mathura is becoming a significant political issue ahead of the 2027 Uttar Pradesh assemb...03 May, 2026, 11.09 AM IST- Why Experts Say Vinegar and Hydrogen Peroxide Clean Better Together – And the Safe Way to Use ThemDiscover a powerful cleaning duo for your home. Vinegar and hydrogen peroxide, when used one after another, offer an effective and eco-frie...15 Apr, 2026, 12.59 PM IST
- Limnic Eruptions: Why Some Lakes Explode Without WarningRare 'limnic eruptions' can unleash deadly, invisible gas clouds from deep lakes, as seen in Cameroon's 1986 Lake Nyos disaster. These even...23 Feb, 2026, 03.56 PM IST
- The Deep Sea Has “Brine Pools” That Can Kill Fish InstantlyScientists have discovered alien-like brine pools deep beneath the ocean, forming dense, hypersaline lakes on the seafloor. These extreme e...22 Feb, 2026, 04.57 PM IST
- Possible to clean Yamuna to bathing standards by 2025: ExpertsThe Yamuna can be considered fit for bathing if biological oxygen demand (BOD) is less than 3 milligram per litre and dissolved oxygen (DO)...11 May, 2022, 08.03 PM IST
- Water quality of two Ganga stretches passing via Bihar, Uttarakhand improved, of bathing standard now: OfficialThe water quality of the Ganga is assessed in accordance with the primary water quality standard for outdoor bathing, which is when the BOD...12 Mar, 2022, 12.56 PM IST
- Ganga's quality improved since 2014, 68 of 97 locations compliant with bathing standards: NMCG DGNoting that the cleaning of river Ganga is a continuous process, a senior official said many initiatives have started yielding results and ...24 Oct, 2021, 01.35 PM IST
- 400 species of fish found dead in Guwahati tankFollowing the detection of dead fish floating on the water, Minister for Fisheries, Parimal Suklabaidya directed the officials of the depar...27 Jun, 2021, 07.24 PM IST
- Oxygen levels show why Yamuna is dead for all practical purposesThe pre-monsoon data of May from 2010 to 2018 also shows DO levels to be nil everywhere except in Palla and Surghat (downstream of Waziraba...27 Aug, 2018, 10.21 AM IST
- Oxygen rise 400 mn years ago linked to spike in biodiversity: StudyNew York, Nov 21 (IANS) A rapid rise in the oxygen levels over 400 million years ago may have provided a three-fold increase in biodiversit...21 Nov, 2017, 07.27 PM IST
- Oxygen level in world's oceans dipping since 1980s: StudyNew York, May 5 (IANS) The amount of dissolved oxygen contained in the water of oceans across the globe -- an important measure of ocean he...05 May, 2017, 03.53 PM IST
- Yamuna cleans up Rs 2000 crore from govt coffers in 22 years!Negligible dissolved oxygen levels and high coliform levels of as much as 16 crore reiterates that the Yamuna is a dead river.22 Feb, 2017, 11.47 AM IST
- DO levels drop to below 1mg/litre, dead fish surface at Ulsoor Lake againThe pre-monsoon showers brought relief to Bengalureans last week but played havoc with thousands of dead fishes who washed ashore Ulsoor La...10 May, 2016, 09.39 PM IST
- Bengaluru's Ulsoor Lake turns into fish graveyard: Is pollution plaguing water bodies?If untreated water keeps getting pumped into the lakes, it would soon contaminate groundwater resources, as is evident from the higher nitr...20 Mar, 2016, 04.22 AM IST
- Oxygen-starved oceans delayed recovery after 'Great Dying'Global ecosystems collapsed as some 90 per cent of species perished in this Permian-Triassic extinction event 250 million years ago.18 Feb, 2016, 04.30 PM IST
- Ganga water quality has improved: StudyThe chloride level too decreased significantly from 26 to 16 mg/l and the TDS (total dissolved solids) came down to 102 from as high as 210...20 Oct, 2014, 04.43 PM IST
- 'Underwater deserts' expandingGlobal warming has led to expansion of low-oxygen "underwater deserts" in the tropical oceans over the past five decades, which scientists ...05 May, 2008, 12.25 AM IST
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