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HAWAII ECOSYSTEM
In 1917, botanist Joseph Rock introduced albizia to Hawai‘i for reforestation. Now it has infested thousands of acres in O‘ahu and eastern Hawai‘i Island- In 1905, Hawaii introduced mosquitofish to fight mosquitoes. More than 100 years later, the fish is threatening native wildlife
- How a mosquitofish brought in to kill mosquito larvae became major freshwater ecosystem problem
- In the early 1970s, Maui planted miconia for its spectacular purple leaves; its descendants spread across East Maui and threatened native forest watershedsIntroduced to Maui in the 1970s, Miconia calvescens, known as the velvet tree, has emerged as a significant invasive species. Its swift spr...13 Aug, 2026, 03.50 PM IST
- In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declinesIn 1922, California introduced mosquitofish in hopes of controlling mosquito populations. Although they were initially viewed as a solution...01 Aug, 2026, 05.54 PM IST
- 150 years ago, Britishers brought a South American tree to stop desertification in Thar, now it has become a thorny issue in IndiaVilayati babul, introduced during colonial times, remains a subject of ongoing debate. This invasive tree provided fuelwood and livelihoods...30 Jul, 2026, 09.39 AM IST
- In 1778, Captain James Cook’s crew released goats in Hawaii as a future food source; their descendants damaged native plants and worsened erosionCaptain Cook introduced goats to Hawaii in 1778, which then proliferated rapidly. These animals severely damaged native plants and altered ...28 Jul, 2026, 04.19 PM IST
- In 1935, an Australian entomologist shipped 102 cane toads from Hawaii to fight crop beetles; 2,400 were released before anyone tested the planAustralian scientists introduced toxic cane toads to control sugar cane pests in 1935. These toads failed to eat the target beetles and spr...27 Jul, 2026, 05.56 PM IST
- From a 1937 garden planting to an ecological crisis: One Miconia tree now spreads 8.9 million seeds, endangering Queensland's iconic rainforestsToday, a single mature Miconia tree can produce over 8.9 million seeds in one season. What began as a 1937 garden introduction in tahiti ha...26 Jul, 2026, 12.00 AM IST
- Contender, largest male great white shark ever recorded in Western North Atlantic resurfaces near North Carolina’s Outer BanksA large male great white shark named Contender was detected near North Carolina's Outer Banks. This shark is being tracked by OCEARCH to un...20 Jul, 2026, 02.24 PM IST
- Why US citizens need a passport or a valid birth certificate to visit this unique national parkThe National Park of American Samoa offers a unique experience across three islands. US citizens need specific identification for travel to...14 Jul, 2026, 09.22 AM IST
- Hawaii, in the late 1800s, planted Leucaena trees for fodder and fuelwood, but scientists now say the invasive trees have replaced native habitats that evolved nowhere else on EarthHawaii's idyllic image belies a significant ecological challenge: Leucaena, an introduced shrub, now covers 10% of the islands. Brought for...04 Jul, 2026, 04.03 PM IST
- Scientists discovered a forgotten 'yellow brick road' at the bottom of the oceanScientists aboard the Nautilus exploration vessel were astonished to discover a remarkably paved 'road' on the ocean floor near Hawaii. Thi...03 Jun, 2026, 02.43 PM IST
- Army chief Gen Upendra Dwivedi in US on official visitUpendra Dwivedi is on an official visit to the United States, where he met senior defence leaders to deepen military cooperation. He was ho...22 Apr, 2026, 09.02 AM IST
- Adani, Kowa form JV to sell green hydrogen in Japan, TaiwanAdani New Industries Limited (ANIL), the green hydrogen platform of Adani Group is developing end-to-end solutions to produce globally comp...14 Sep, 2023, 11.33 AM IST
- How climate change turned lush Hawaii into a tinderboxHawaii's landscape is changing in other ways, beyond becoming drier. As wildfires become more common, some native vegetation, which is poor...11 Aug, 2023, 07.30 AM IST
- Lahaina, Maui's historic town, virtually reduced to ash by wildfires in Hawaii; thousands without power, property worth millions damagedThe tragic wildfire that consumed Lahaina serves as a stark reminder of the unpredictable nature of natural disasters and the urgent need f...10 Aug, 2023, 11.14 AM IST
- Qualcomm working with Jio, Flipkart, Amazon to develop 5G use cases for IndiaQualcomm’s plans to be a 5G ecosystem enabler in India and participate in the development of country-specific 5G use cases comes at a time ...05 Dec, 2019, 12.05 PM IST
- Qualcomm upbeat on 5G deployments in India, calls for early airwaves auctionQualcomm sees "a very promising start” as India prepares to ring in this ultra-fast wireless technology.06 Dec, 2018, 08.18 AM IST
- How warmer seas are changing our planet for the worseLondon, Sep 21 (IANS) The upper depths of the world's oceans have warmed significantly since 1995, resulting in severe hurricanes, storm su...21 Sep, 2016, 01.05 PM IST
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