In 1500s, Spanish explorers introduced pigs into North America. Now areas where they roam free have fewer invasive speciesAlthough wild pigs have long been viewed as destructive invasive species, recent findings reveal they also play a surprising role in curbin...
18 Aug, 2026, 05.44 PM IST
How a mosquitofish brought in to kill mosquito larvae became major freshwater ecosystem problemA fish introduced to Hawaii over a century ago now threatens native freshwater wildlife. The mosquitofish, brought to control mosquitoes, n...
17 Aug, 2026, 11.34 AM IST
Since 2016, the Netherlands has used 37.2 million tonnes of lakebed sediment to build seven wildlife islands covering 1,300 hectaresIn the Markermeer region of the Netherlands, innovative artificial islands have been crafted using dredged materials from the lakebed. The ...
15 Aug, 2026, 04.00 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
In 2011, USGS researchers began studying Lake Erie's fish and seasonal hypoxia across a multi-year project. 15 years later, the findings showed fish crowding areas near 2–3 mg/L oxygen, revealing an unexpected shift at the edges of low-oxygen zonesLake Erie’s seasonal hypoxia is changing where fish gather. For years, scientists watched oxygen levels fall and fish move around the lake....
13 Aug, 2026, 07.02 PM IST
The bird on the Seychelles’ 25-rupee note once had only 12 survivors on one island; after another decline, conservationists helped rebuild it to around 280 across five islandsThe Seychelles magpie-robin was on the brink of extinction, with a mere twelve individuals left. In 1990, a concerted conservation effort k...
11 Aug, 2026, 04.54 PM IST
Flex reflections from Brazil: India’s ethanol push faces lessons from Brazil’s Proalcool crisisIndia debates ethanol mandates, drawing lessons from Brazil's Proalcool program. Brazil's initial success faced a late 1980s crisis due to ...
07 Aug, 2026, 01.14 AM IST
Louisiana's decades-old Christmas tree recycling program is quietly helping restore thousands of acres of wetlandsDiscarded Christmas trees are now rebuilding Louisiana's eroding coastlines. These trees are bundled and flown by helicopter into fragile m...
04 Aug, 2026, 09.12 PM IST
What was so special about Wrangel and St. Paul islands, where Woolly Mammoths survived until their extinction? Scientists revealed the answer two decades agoFor years, scientists believed the last woolly mammoths disappeared because inbreeding and genetic decline made survival impossible. A land...
04 Aug, 2026, 07.36 PM IST
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 flamesBeavers, once a dominant presence in North America, shaped resilient ecosystems that thrived as they created vast wetland habitats. Their n...
04 Aug, 2026, 05.37 PM IST
In 1974, a Spainish rancher imported 2,000 kg of American crayfish from Louisiana. 50 years later, it has become an invasion nobody could stopAn American red swamp crayfish invasion reshaped Spain's Guadalquivir River basin and Doñana National Park. This destructive biological inv...
04 Aug, 2026, 02.34 PM IST
For more than 400 years, the Gulf of Maine has anchored New England's fishing heritage; today, warming waters are bringing black sea bass into one of the planet's fastest-warming marine ecosystemsOcean warming allows black sea bass to expand their range northward. These fish mature faster in colder northern waters, impacting assessme...
03 Aug, 2026, 05.01 PM IST
Japanese invasive beetle grubs are quietly killing lawns from below: Why skunks and moles may be your best friends to save your yardSkunks digging in yards are often searching for insect food sources. Japanese beetle grubs are a common culprit weakening grass from below....
03 Aug, 2026, 11.58 AM IST
In 1910, Beavers nearly disappeared from the US. Today they are reshaping rivers againNorth America's beaver population faced near extinction due to the fur trade. Fashion changes and conservation efforts allowed their number...
30 Jul, 2026, 06.34 PM IST
In 1837, New Zealand fur promoters released Australian possums to build a new industry; the first attempt failed, so settlers kept trying until the animals invaded the countryNew Zealand settlers introduced Australian possums in 1837 for a fur trade venture. This initial plan failed, but subsequent attempts event...
30 Jul, 2026, 05.12 PM IST
At least 8,500 potentially polluting shipwrecks are rusting on the ocean floor with fuel still inside; leaks in Micronesia show the risk that one storm or earthquake could unleashSunken World War II warships are becoming a significant pollution threat globally. These vessels hold vast amounts of oil and are slowly co...
28 Jul, 2026, 04.26 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