In 2011, North Carolina scuttled the 180-foot Coast Guard buoy tender USCGC Spar off Morehead City; divers later documented sand tiger sharks using the wreckResting peacefully on the ocean floor off North Carolina, the USCGC Spar, once a buoy tender, has transformed into a vital habitat for sand...
02 Sep, 2026, 04.00 PM IST
The U.S. Army Corps of Engineers spent $7 million on fish ladders in 1938 to move salmon past Bonneville Dam; decades later, the system carries 1 million a season in good yearsThe Bonneville Dam’s fish ladders, designed as part of a New Deal initiative, remain operational after decades of service. The construction...
02 Sep, 2026, 03.20 PM IST
In 2015, Cullinan Ranch crews breached levees, bringing tidal flows back to 1,200 acres. 11 years later, migratory birds and fish now use the restored Napa River habitat in CaliforniaTidal marshes are valuable coastal wetlands that support wildlife, protect shorelines, filter polluted water and provide other ecosystem se...
02 Sep, 2026, 12.37 AM IST
In 2010, federal wildlife trustees secured $2.65 million for San Francisco Bay tidal marsh restoration. 5 years later, tidal waters returned to 1,250 acres at Cullinan RanchSan Francisco Bay tidal marshes are being restored for a reason that reaches far beyond wildlife. These wetlands filter polluted water and ...
01 Sep, 2026, 07.33 PM IST
In 1918–1921, one dam built on California's Carmel River provided water storage but blocked fish runs; in 2015 it came down, reopening 25 miles of habitat for steelhead troutA century-old dam on California's Carmel River was removed, restoring fish spawning grounds. Crews rerouted the river and dismantled the st...
01 Sep, 2026, 01.40 PM IST
In 2009, Key West sank the 523-foot Vandenberg in 140 feet of water; one year later, REEF monitoring had documented 123 fish species on the former shipIn 2009, the retired missile ship Gen. Hoyt S. Vandenberg was deliberately sunk near Key West, giving rise to a significant artificial reef...
01 Sep, 2026, 01.10 PM IST
In 2001, NOAA launched a restoration program after a $64 million Montrose settlement. 24 years later, a rebuilt Palos Verdes reef in California had boosted fish biomass by over 150%Two decades after a $64 million settlement funded coastal recovery, California’s Palos Verdes reef is thriving. Engineers placed 70,000 ton...
28 Aug, 2026, 07.16 PM IST
In 2024, researchers tested crushed waste concrete as a base for Chesapeake oyster reefs; oyster spat grew and survived with no detectable hydrocarbon leachingIn the Chesapeake Bay, recycled concrete rubble is proving to be a nursery for young oysters. Scientists have discovered that this crushed ...
28 Aug, 2026, 03.20 PM IST
During Alaska stream research, teams developed an automated salmon-counting system to track fish in sonar video and reduce reliance on manual countingAlaska's manual salmon counting techniques are laborious and expensive. To improve efficiency, new computer vision algorithms are under dev...
27 Aug, 2026, 02.40 PM IST
In 1992, Congress authorized the removal of 2 dams that had blocked salmon for a century. 24 years later, the Elwha River once again flowed freely from the Olympic Mountains to the seaElwha River Restoration changed one of America’s most remarkable river recovery stories. Two dams once blocked salmon from reaching upstrea...
26 Aug, 2026, 06.30 PM IST
Four dams built on the Klamath River between 1918 and 1966 made power, not water storage; in 2024, the last came down, reopening 420 miles of salmon habitatIn a groundbreaking initiative, four dams on the Klamath River spanning California and Oregon have been dismantled after a century of exist...
26 Aug, 2026, 03.10 PM IST
Since 1990s, amount of living heat sensitive coral has gone down shockingly, this indicates warmer ocean which means worse storms, hotter nightsEl Nino is already as big as recent ones and is still growing with it expected to reach unprecedented levels at its peak. It's responsible ...
26 Aug, 2026, 02.00 AM IST
In the 1950s, U.S. nuclear tests were conducted at Bikini and Enewetak; decades later, Guam corals preserved carbon-14 spikes linked to tests in 1954, 1956, and 1958Guam’s coral reefs act as natural historians, chronicling chemical footprints of Cold War-era nuclear tests. Distinct radiocarbon spikes fr...
25 Aug, 2026, 04.29 PM IST
In June 2026, El Niño weakened Pacific trade winds, shutting down nutrient-rich upwelling; satellites then watched phytoplankton decline, threatening anchovies and seabirds as the ocean food chain began to unravelEl Niño has returned to the Pacific Ocean in June 2026, impacting marine ecosystems. Weakened trade winds are reducing nutrient upwelling, ...
20 Aug, 2026, 11.32 PM IST
Since 2022, Alaska crews have placed more than 1,000 whole trees in a creek damaged by gold mining, helping restore 2.3 miles of salmon habitatResurrection Creek in Alaska has been revitalized into a thriving river thanks to comprehensive restoration efforts. By introducing entire ...
14 Aug, 2026, 04.10 PM IST
Since 2016, Alabama has recovered more than 22.6 million discarded oyster shells; the restaurant waste is being returned to coastal waters to help build reefsIn Alabama, restaurants are making waves by recycling oyster shells to bolster crucial reef restoration efforts. These once-discarded shell...
14 Aug, 2026, 02.50 PM IST
2026 Super El Niño Forecast: What happens this winter could shock California, here's whyCalifornia anticipates a dangerous winter with record coastal sea levels. A rapidly strengthening El Niño threatens increased flooding and ...
12 Aug, 2026, 10.11 PM IST