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ECOLOGICAL EFFECTS OF DAMS
In 1963, federal engineers completed Glen Canyon Dam in Arizona for water storage and power, which turned the Colorado River colder and disrupted native fish reproduction- North America once had 400 million beavers, nearly wiped out by the 1900s; they are now helping shield wildfire-prone stream corridors in northeastern Washington from flames
- In 1910, Beavers nearly disappeared from the US. Today they are reshaping rivers again
- In the 1950s, a Soviet engineer proposed damming the Bering Strait and pumping the ocean to melt the Arctic, a deliberate plan to thaw the top of the world and warm SiberiaA Soviet engineer proposed damming the Bering Strait to warm the Arctic. This ambitious plan aimed to melt ice and change global weather pa...29 Jul, 2026, 05.26 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
- In 1964, American engineers drew up NAWAPA, a plan to redirect the rivers of Alaska and Canada through the Rockies to water the US desert, re-plumbing an entire continentA 1964 plan proposed moving water from Alaska to the arid American West. This ambitious engineering project aimed for continental water red...21 Jul, 2026, 06.00 PM IST
- Higher monsoon inflows at Hathnikund fail to boost Yamuna's flow; experts warn of ecological impactMonsoon rains increased water inflows at Hathnikund Barrage over the past fortnight. However, most additional water was diverted into canal...16 Jul, 2026, 12.29 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
- Blue crabs were first found in Italy's Adriatic in 1949; 74 years later, they exploded, cut clam output 90%, and pushed 160 km up the Po RiverAmerican blue crabs, famed for their presence in coastal cuisine, are now making an alarming, unprecedented journey deep into Italy's Po Ri...29 Jun, 2026, 03.48 PM IST
- Fish are adapting to rivers shaped by dams and barriers, and that may be changing how man-made rivers function over timeFor decades, river restoration has focused on returning waterways to conditions that existed before dams, weirs and large-scale human inter...15 Jun, 2026, 06.03 PM IST
- India’s first rock check dam opens in Ladakh: Watch breathtaking blue paradise photos and video of Indus water at 11,000 feetLadakh has launched India's first rock check dam on the Indus River. This innovative structure uses riverbed stones to slow water flow and ...28 May, 2026, 10.36 AM IST
- Tibet's Yarlung Zangbo Dam: China's new tool for environmental destruction, Brahmaputra dominationChina has commenced construction on the Motuo Hydropower Station in Tibet, raising concerns in South Asia. The project, estimated at USD 17...02 Aug, 2025, 07.07 PM IST
- Carefully monitoring Brahmaputra-related developments, including China's mega dam plan: GovtThe government is closely monitoring developments on the Brahmaputra river and China's plans to construct a massive hydropower project in T...13 Feb, 2025, 04.58 PM IST
- Raise mega dam project concerns with China: Ex-Arunachal CM Nabam Tuki to CentreFormer Arunachal Pradesh chief minister Nabam Tuki urges the Indian government to address concerns with China regarding its mega hydel proj...09 Jan, 2025, 11.20 PM IST
- China's plans for Himalayan super dam stoke fears in IndiaThe structure will span the Brahmaputra River before the waterway leaves the Himalayas and flows into India, straddling the world's longest...12 Apr, 2021, 10.01 AM IST
- China-funded Diamer-Basha Dam in PoK an ecological disaster in the makingPakistan’s decision to go ahead with the Diamer-Bhasa Dam in PoK not only infringes upon India’s sovereignty but can be an ecological disas...18 May, 2020, 09.43 AM IST
- Madhya Pradesh: Ken-Betwa River link project to be sent to NBWL for approvalThe Madhya Pradesh Wildlife Board has decided to send the Ken-Betwa River Link Project to the National Board for Wildlife (NBWL) for approv...23 Sep, 2015, 04.26 PM IST
- Brahmaputra Board to be restructured: Union Minister Uma BhartiEarlier, addressing the meeting, Bharti said that people in Northeastern states have demanded for revamping the Brahmaputra Board.19 Jun, 2015, 08.13 PM IST
- Technology for dams should not kill rivers: Uma BharatiBharati said her ministry is not opposing construction of dams on rivers in north east except that technology should be safe and should not...11 Feb, 2015, 08.38 PM IST
- Environmental organisation builds check dam in national parkGoing beyond its annual clean-up campaign in Mumbai's famous Sanjay Gandhi National Park, an environmental organisation actually built a ch...11 Oct, 2012, 11.25 PM IST
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