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U.S. FRESHWATER ECOSYSTEMS
In 1993, Louis Bacon bought a mostly undeveloped New York island; four years later, he protected nearly 90% of its 450 acres- In 2012, researchers began collecting dragonfly larvae to reveal mercury pollution in protected waters. 13 years later, 21,000 samples helped create a model that can estimate freshwater mercury risk without testing every waterway
- In the early 1970s, Maui planted miconia for its spectacular purple leaves; its descendants spread across East Maui and threatened native forest watersheds
- In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declinesIn 1922, California introduced mosquitofish in hopes of controlling mosquito populations. Although they were initially viewed as a solution...01 Aug, 2026, 05.54 PM IST
- In 1942, America completed Friant Dam and diverted most of the San Joaquin River into farms; a salmon run once numbering nearly 50,000 adults collapsedFriant Dam construction in California significantly altered the San Joaquin River's flow. This action disconnected salmon from their spawni...24 Jul, 2026, 06.15 PM IST
- Ships, Steel, Submarines and now, Servers: How Visakhapatnam is becoming India's new AI gold rushVisakhapatnam is building over 6GW of AI data centre capacity by 2030. Major companies like Google and Reliance are investing significantly...21 Jul, 2026, 09.32 AM IST
- Quote of the day by Harrison Ford, 'Nature Doesn't Need People – People Need Nature; Nature Would Survive the Extinction of the Human Being and Go on Just Fine, but Human Culture, Human Beings, Cannot Survive Without Nature', shows nature's influence on human health, happiness and human civilization's dependence on natureQuote of the day by Harrison Ford expresses a profound truth about humanity's place in the world. Nature has sustained life for millions of...13 Jul, 2026, 04.53 AM IST
- China's rivers and lakes defied a global oxygen crisis across 17 years, and nearly 1,300 sites, and the surprise is that it had nothing to do with slowing down climate changeFreshwater ecosystems worldwide are facing declining oxygen levels, a critical issue for aquatic life. However, a recent study in China rev...27 Jun, 2026, 04.53 PM IST
- Rice feeds more than half the world, but scientists say current farming is crossing Earth’s safe limits for climate, water, and nutrients, and that makes every bowl part of a bigger planetary balancing actRice cultivation, a global staple, is pushing Earth's natural systems beyond safe limits, particularly concerning climate change, water use...27 Jun, 2026, 04.53 PM IST
- India's AI boom cannot ignore its water crunchIndia's AI growth risks exacerbating severe water stress as data centers, crucial for AI infrastructure, consume vast amounts of water. Cit...24 Jun, 2026, 11.32 PM IST
- Scientists just found Arctic marine heat waves have increased since the 1980s, and a Barents Sea event lasted 480 days because melting sea ice and warming waters are rewriting the region’s climate clockThe Arctic Ocean is experiencing unprecedented marine heatwaves, lasting longer and becoming more intense due to climate change and melting...23 Jun, 2026, 06.24 PM IST
- In 1988, cargo ships accidentally brought zebra mussels to the US in their ballast water, and they devastated the Great Lakes, but a 2026 study finds that after 20 years in Kansas lakes, they barely changed the fish or the waterA new study reveals that zebra mussel invasions in Kansas reservoirs over two decades have had minimal impact on water quality and fish pop...19 Jun, 2026, 02.40 PM IST
- In 1992, a tanker crash in Australia's Blue Mountains was doused with PFAS foam; 33 years on, tap water tested 300 times above the safe limitA 1992 petrol tanker crash in Australia's Blue Mountains caused PFAS contamination. Firefighters used foam containing these chemicals. Deca...16 Jun, 2026, 03.20 PM IST
- From pet to pest: A 2026 experiment reveals that releasing goldfish into lakes triggers a full ecosystem regime shift, and no lake type is immuneReleasing pet goldfish into local waters causes extensive ecological damage. These fish grow large, stir up sediment, consume prey, and out...15 Jun, 2026, 04.06 PM IST
- A 15-year-old from Ontario built a bionic underwater “robot turtle” that detects what is quietly killing our seas and just won $50,000 for itA young innovator has created BURT, a robotic turtle that moves quietly underwater. This AI-powered machine mimics natural swimming to obse...09 Jun, 2026, 03.33 PM IST
- Rare 4.5-million-year-old freshwater fish fossils found in Dehradun’s Shivalik foothills, a region previously known only for land animalsPaleontologists have made a groundbreaking discovery in the Shivalik foothills near Dehradun — the first-ever aquatic life fossils in a reg...06 Apr, 2026, 05.12 PM IST
- Scientists Just Found One of the Earliest Flying Reptiles in North AmericaA significant fossil find in Arizona's Petrified Forest National Park reveals North America's oldest pterosaur. This 209-million-year-old f...12 Mar, 2026, 04.24 PM IST
- International Mountain Day 2023: Date, theme, history, significance and key factsMountains are vital for human existence and livelihoods as they provide essential resources like freshwater, energy, and food. Conserving t...11 Dec, 2023, 10.35 AM IST
- Climate change rapidly warming world's lakes: StudyThe study is the largest of its kind and the first to use a combination of satellite temperature data and long-term ground measurements.17 Dec, 2015, 02.02 PM IST
- Hovercrafts in Loktak a threat to birds: ExpertsImported hovercrafts, which were deployed in the Loktak lake here to flush out militants, are now frightening off migratory birds and makin...22 Aug, 2012, 12.05 PM IST
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