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ELECTRIC FISH BARRIER
In 2009, Illinois treated a six-mile canal with more than 1,800 gallons of fish-killing poison — and found just one invasive carp- In 1970s, silver carp were brought to the US for aquaculture. Now the jumping fish threaten a $20 billion Great Lakes industry
- Long-term investing: One reason is good enough, and a must, to own a business. 8 stocks with an upside potential of up to 36%
- 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
- Earlier this year, the U.S. Army Corps tested Chicago's invasive-carp barrier at 3 electrical levels. Now, engineers know how the system behaves when voltage rises to 4.6 volts per inch, helping prepare for a future Great Lakes invasion threatEngineers tested Chicago's electric fish barrier at higher electrical levels this year. This testing aimed to understand potential response...16 Aug, 2026, 12.19 AM IST
- In the 1970s, the US introduced four carp species to control weeds; decades later, these carp spread as far as Minnesota, threatening native fishFour Chinese carp species were imported to southern fish farms in the 1970s. These fish escaped into the Mississippi River system after flo...31 Jul, 2026, 04.40 PM IST
- Australia built an A$187,000 electric fence across wild horse country; inside lies an endangered alpine wetland supporting three threatened animalsAn electric fence protects a rare alpine wetland in Australia's Kosciuszko National Park. This small area is home to three threatened nativ...28 Jul, 2026, 06.08 PM IST
- In 1948, America built Mud Mountain Dam for flood control; decades later, a $112 million facility was designed to carry 1.2 million fish around it annuallyThe Mud Mountain Dam serves as a crucial flood prevention structure, shielding communities downstream from severe weather. Yet, its constru...25 Jul, 2026, 08.37 PM IST
- In 1900, Chicago made its river flow backward to keep sewage out of Lake Michigan, redirecting the water toward the Mississippi Basin insteadChicago reversed its river flow in the late 1800s to protect its drinking water. This engineering feat sent waste away from Lake Michigan a...24 Jul, 2026, 05.51 PM IST
- In 2003, experiments showed wolves refuse to cross a line of fluttering flags, so ranchers now string 'fladry' around calving pens as a cheap, non-lethal way to keep the predators off herdsFladry, a rope with flags, deters wolves from pastures. Research shows this visual cue makes wolves wary of crossing fences. Studies indica...18 Jul, 2026, 05.40 PM IST
- Canada, China reach initial trade deal on electric vehicles, canolaCanada will initially allow in up to 49,000 Chinese electric vehicles at a tariff of 6.1% on most-favoured nation-terms, PM Mark Carney sai...16 Jan, 2026, 03.12 PM IST
- Commerce ministry working on different scenarios to assess possible fallout of US tariffs: SourcesThe commerce ministry of India is assessing potential repercussions of the US's reciprocal tariffs on key trading partners, including India...01 Apr, 2025, 07.08 PM IST
- Commerce ministry developing platform for registration, resolution of non-trade barriers"We are making a portal so that we can prioritise all the NTBs. Traders will register their complaints and the ministry will pursue that," ...02 Jul, 2024, 04.29 PM IST
- Commerce ministry sets up task force to resolve trade barrier issues for exportersThe ministry is also looking at improving mutual recognition agreements (MRAs) with different countries so that product standards are as pe...10 Jan, 2024, 09.57 AM IST
- Fast track action to remove non-tariff barriers key to realise trillion-dollar merchandise export goal: GTRI reportIt asked for upgrading domestic systems, in cases where Indian products are rejected due to quality issues; and retaliating if unreasonable...15 Aug, 2023, 01.21 PM IST
- Florida deaths rise to 47 amid struggle to recover from Hurricane IanFlorida, with nearly four dozen reported dead, was hit hardest by the Category 4 hurricane, one of the strongest to make landfall in the Un...02 Oct, 2022, 11.29 AM IST
- Cabinet approves trade pact between India, MauritiusThe pact would cover 310 export items for India, including foodstuff and beverages, agricultural products, textile and textile articles, ba...17 Feb, 2021, 05.20 PM IST
- TERI holds meeting with Arunachal officials for updatesEnlisting the pollution of water sources and need for drinkingwater PHED commissioner Tajom Taloh sought sustainable projects to tackle pro...25 Mar, 2015, 03.28 PM IST
- India-Bangladesh trade may almost double to $10 billion by 2018: CIIThe CII statement comes in the backdrop of External Affairs Minister Sushma Swaraj's visit to Bangladesh between June 25-27.24 Jun, 2014, 06.06 PM IST
- Panel to look into non-tariff barriers of richTaking a cue from the trade policies of developed countries, India is planning to institute a set of non-tariff barriers to protect Indian ...01 Sep, 2003, 07.47 AM IST
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