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DAM REMOVAL
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 sea- 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 habitat
- In 1970s, silver carp were brought to the US for aquaculture. Now the jumping fish threaten a $20 billion Great Lakes industry
- Power sector stocks: Rising demand, uneven risk; best owned as a basket. 10 power stocks with upside potential of up to 28%For years, owning power meant betting on a slow, steady rise in demand as the economy grew. That story has suddenly changed. The machines b...22 Aug, 2026, 11.19 PM IST
- In 2024, New Jersey regulators halted a floating solar project on the 2,000-acre Wanaque Reservoir. 2 years later, a 10-MW state incentive revived plans for what could become America's largest floating solar farmWanaque Reservoir floating solar is back in development, with New Jersey supporting a new 10 MW project on a major drinking-water reservoir...21 Aug, 2026, 09.06 PM IST
- In 2014, Maine began developing a fish elevator to carry American shad past Milford Dam. 12 years later, the system could reopen 600 miles of river habitat to a fish whose migration has been blocked for decadesA Maine fish elevator could reopen 600 miles of river habitat for alewives, giving a small fish a much bigger chance to return upstream. Th...21 Aug, 2026, 06.59 PM IST
- In 2012, PacifiCorp launched a trap-and-haul program to move adult salmon upstream past Merwin Dam. 14 years later, researchers found 2 stages in the system but 1 decisive bottleneck: young salmon failing to find the artificial current downstreamA trap-and-haul program on Washington’s Lewis River helps adult Chinook salmon bypass Merwin Dam by transporting them in trucks to upstream...20 Aug, 2026, 12.23 AM IST
- In 1930s, Finland brought back beavers but accidentally introduced the wrong species. The mistake still affects wildlife todayDuring the 1930s, Finland's attempt to reestablish its native beaver population took a turn when North American beavers were unwittingly in...18 Aug, 2026, 08.10 PM IST
- In 1942, Loyalhanna Dam went into operation while Pittsburgh factories produced wartime steel and the army relied on 54,000 pigeons. 84 years later, the dam has prevented more than $658 million in flood damage and its cranes are getting a major overhaulTwo 64-ton cranes at Loyalhanna Dam are receiving a major overhaul after eight decades of service. These aging machines manage massive stee...16 Aug, 2026, 02.37 AM IST
- In 2024, managers deliberately cooled the Colorado River to protect the Grand Canyon from invasive smallmouth bass. 2 years later, no bass recruitment had been detected, but the effort cost $19.1 million in replacement powerManagers at Glen Canyon Dam used an unusual strategy to protect native Colorado River fish from invasive smallmouth bass: they deliberately...16 Aug, 2026, 12.46 AM IST
- In 1913, the Army Corps launched construction of Troy's Federal Dam, using engineers experienced on the Panama Canal. 113 years later, the lock and dam still supports New York's Hudson River navigation and remains a landmark of American engineeringTroy Lock and Dam: Troy's Federal Dam, built in 1913, supported river navigation for over a century. This engineering project connected the...14 Aug, 2026, 07.08 PM IST
- In 2006, Canada launched a mission to save Atlantic salmon. Nearly 20 years later, the fish are returningAtlantic salmon populations declined due to habitat destruction and overfishing. Conservation efforts involving captive breeding and habita...30 Jul, 2026, 06.25 PM IST
- In 2001, a USDA scientist released beetles to destroy an invasive tree, but they eliminated 94% of an endangered bird's habitat along one riverAn invasive beetle introduced to control tamarisk trees has devastated flycatcher nesting grounds. This beetle, released by the USDA, succe...28 Jul, 2026, 04.43 PM IST
- In 2012 and 2013, Maine removed two hydroelectric dams from the Penobscot River; river herring later rose from almost zero to more than six millionMaine's Penobscot River shows a remarkable environmental recovery after dam removals. Millions of river herring have returned to the waterw...24 Jul, 2026, 06.33 PM IST
- Caliber Mining & Logistics IPO subscribed 147x; GMP signals 22% listing gainCaliber Mining & Logistics' Rs 450-crore IPO saw overwhelming investor demand, closing at 147 times subscription. Retail investors showed s...24 Jul, 2026, 11.18 AM IST
- In 2011, the US began tearing down two century-old dams on Washington's Elwha River, the largest dam removal in US history at the time, freeing over 20 million cubic yards of trapped sedimentThe Elwha River dams were dismantled after nearly a century of operation. This significant engineering project restored over ninety miles o...23 Jul, 2026, 05.26 PM IST
- Caliber Mining & Logistics IPO Day 2: Issue gets 7.5x subscription so far; GMP points to 27% listing upsideCaliber Mining & Logistics' Rs 450-crore IPO is seeing robust investor interest on its second day. The company's initial public offering is...20 Jul, 2026, 12.15 PM IST
- HCL working at fast pace to double Malanjkhand Copper Project capacity in MP by 2030: CMDHindustan Copper Limited plans to double its Malanjkhand project capacity to five million tonnes. The company aims to raise overall product...18 Jul, 2026, 05.41 PM IST
- How beavers helped a struggling England farm secure a £1 million deal and spark a multimillion-pound revivalA Lincolnshire rewilding project aims to prove nature restoration's profitability. Beavers will be reintroduced to a 1,525-acre farm, trans...16 Jul, 2026, 03.09 PM IST
- In 2016, when river dams trapped Japan's giant salamanders, scientists came up with an unusual solution: building custom ladders instead of removing the damsResearchers in Japan developed special ladderways for giant salamanders to cross river dams. These step-type structures with side walls pro...15 Jul, 2026, 10.23 AM IST
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