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SEDIMENT AND NUTRIENT POLLUTION
In 2008, Minnesota listed Fish Lake as impaired for nutrients after severe algae blooms. 16 years later, the lake improved enough to be delisted after treatments and restorationThe 2008 impairment designation was an important step because it formally recognized that the lake was not meeting the desired water-qualit...
In 1972, a 3,300-acre preservation effort began protecting the Elk River Chain of Lakes in Michigan. More than 50 years later, monitoring shows water quality remains healthyMore than half a century ago, a conservation effort in northern Michigan set out to protect an extraordinary network of waterways, and its ...
In 2021, New York assessed Cannonsville Reservoir as impaired after a 7-foot culvert blocked fish passage. 2 years later, the new culvert scored 0.88 for aquatic passageA culvert replacement project in Delaware County, New York, addressed stream-flow, erosion, sediment, and fish-passage problems along an un...
In 2002, Idaho listed the South Fork Palouse River as bacteria-impaired after livestock grazing. 14 years later, restoration helped remove it from the 2016 impaired listThe South Fork Palouse River restoration began with a problem Idaho could not ignore. In 2002, the river was listed as bacteria-impaired, w...
In 2004, Iowa listed Kent Park Lake as impaired after nutrient and sediment runoff harmed clarity. 20 years later, monitoring showed it met algae and turbidity standardsKent Park Lake in Johnson County, Iowa, experienced water-quality problems linked to nutrient and sediment delivery, resulting in its place...
In 2004, community partners began tackling Kent Park Lake's nutrient and sediment pollution. 20 years later, the lake met water quality standards and was removed from Iowa's impaired-waters list in 2024Kent Park Lake restoration took 20 years to deliver a result Iowa officials could finally recognize. The lake once struggled with nutrient ...
In 2016, researchers restored 452 meters of Maryland's Muddy Creek with woodchips, sand and gravel. 2 years later, monitoring found suspended sediment fell 73.8%, improving stream functionMuddy Creek is a tributary of the Rhode River and flows through the Smithsonian Environmental Research Center, an important site for ecolog...
In 1994, Illinois EPA listed 50.75 miles of Silver Creek as impaired by farm pollution. 28 years later, Illinois removed the creek from its impaired list in 2022Upper Silver Creek in Illinois has been removed from an impaired waters list. Best management practices were installed to reduce pollution ...
In 2018, New York's Cortland County funded 3 culvert and stream projects. 5 years later, all 3 sites improved from severe barriers to insignificant barriers for better fish passageCortland County projects fit into a broader New York effort to identify and address barriers to aquatic organism passage. New York's Depart...
In 2001, Denmark turned a 19-km straight river into a 26-km winding one, but decades later researchers found nature was still struggling to rebuild what humans had destroyedDenmark's Skjern River restoration has skillfully reshaped a once-straight channel back into a meandering waterway. This innovative initiat...
30 million oysters are being dumped into US's Chesapeake Bay in a race to save America's largest estuaryMillions of baby oysters are being planted in the Chesapeake Bay. Scientists hope this effort will revive one of America's most important w...
In 1989, a Japanese oyster farmer began planting trees in the mountains to save his dying bay; the river cleared, and marine life returnedJapanese oyster farmer Shigeatsu Hatakeyama restored his bay by planting trees. Healthy forests upstream provided essential nutrients for o...
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...
Why Are the World’s Oceans Getting Louder Each Year?The ocean's natural sounds are being drowned out by human activity. Ships create constant noise that travels far, affecting marine animals....
Seagrass Holds Eight Weird Secrets, And Why It’s VitalSeagrass, a hidden ocean plant, performs vital environmental tasks. It stores carbon, protects coasts from storms, and acts as a nursery fo...
Ocean dumping - or a climate solution? A growing industry bets on the ocean to capture carbonPlanetary Technologies in Nova Scotia uses magnesium oxide to reduce carbon dioxide via the ocean, backed by $1 million from Elon Musk's fo...
Top 10 Water Purifiers Under 5000: Affordable and Effective Solutions for Clean Water(2024)Explore the best collection of water purifiers under ₹5000 in this article, where we have conducted in-depth research to bring you top-qual...
Climate change turning US mountain lakes green with algaeGlobal warming is turning clear mountain lakes green in the western United States because of an increase in algae blooms "without historica...
Mangroves protect against tsunamis, says expertMangroves are effective in pollution control and also help in controlling the 'Green House' effect by absorbing carbon dioxide.
Depletion of Sea Cucumbers endangers marine eco systemSea Cucumber, or Holothurians, are marine animals with a leathery skin and an elongated body. They are found on the sea floor.