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    A groundbreaking study led by researchers from Technical University of Munich has produced the world’s first global map showing how tidal movements from oceans travel inland through rivers, exposing millions to previously underestimated flood risks. The research highlights that tides do not stop at coastlines. Instead, their influence moves upstream through coastal rivers, creating what scientists call a “tidal pulse.” These periodic fluctuations can significantly increase flood risks in inland regions, especially as climate change drives rising sea levels and extreme weather events. According to the study, more than 725 million people worldwide are directly affected by these tidal influences. The findings reveal that over 175,000 kilometres of rivers across the g...

    A surprising discovery has revealed that several lakes on K’gari disappeared for nearly 2,000 years despite a wetter climate, challenging long-held scientific beliefs. Researchers found that lakes like Boorangoora and Allom dried out between 7,500 and 5,500 years ago. This finding contradicts earlier assumptions that the lakes remained full since the last ice age. The evidence comes from sediment records, which act like natural timelines. A complete absence of deposits during this period indicates that the lakes were dry for centuries. Scientists believe shifting wind patterns may have redirected rainfall away from the island, showing how local climate systems can behave unpredictably even during wetter periods. The findings raise concerns about the future s...

    Africa’s coastlines are entering a dangerous new phase as sea levels rise faster than previously recorded, according to research led by the University of Cape Town. The study found that the 2023–2024 El Niño triggered the largest sea level surge ever observed in the region, surpassing even the historic 1997–1998 event. Since 1993, sea levels around Africa have risen by over 11 cm, accelerating at an increasing rate. Researchers say this surge was not caused by El Niño alone. A rare combination of climate patterns, including warming oceans and atmospheric changes, amplified the impact. Over 70% of the rise was driven by thermal expansion, where warming water expands and raises sea levels. The consequences are severe. More than 15 million people in coastal cities...

    A silent crisis is unfolding beneath the Earth’s surface, where groundwater reserves are rapidly declining without visible warning. According to the United Nations University, this hidden depletion is putting drinking water, agriculture and global food systems at serious risk. Unlike shrinking rivers or reservoirs, groundwater loss often goes unnoticed. Scientists warn that aquifers, which act like natural water banks, are being overdrawn as extraction exceeds natural recharge. This imbalance has led experts to describe the situation as “water bankruptcy,” where water is consumed faster than it can be replenished. Regions such as India, northeastern China and the western United States are already facing severe depletion. As groundwater levels fall, wells may event...

    Scientists have uncovered a unique modification in a key plant enzyme that could dramatically improve photosynthesis and increase crop yields, offering a promising breakthrough for global agriculture. At the centre of this discovery is Rubisco, the enzyme responsible for capturing carbon dioxide and converting it into energy-rich sugars during photosynthesis. While essential for plant life, Rubisco is notoriously inefficient because it often reacts with oxygen instead of carbon dioxide. This mistake produces a toxic byproduct and forces plants to expend extra energy through a process called photorespiration, ultimately reducing growth and productivity. Researchers studying hornworts, a group of simple land plants, have now identified a completely new way to improv...

    A silent crisis is unfolding beneath the Earth’s surface, where groundwater reserves are rapidly declining without visible warning. According to the United Nations University, this hidden depletion is putting drinking water, agriculture and global food systems at serious risk. Unlike shrinking rivers or reservoirs, groundwater loss often goes unnoticed. Scientists warn that aquifers, which act like natural water banks, are being overdrawn as extraction exceeds natural recharge. This imbalance has led experts to describe the situation as “water bankruptcy,” where water is consumed faster than it can be replenished. Regions such as India, northeastern China and the western United States are already facing severe depletion. As groundwater levels fall, wells may event...

    Scientists have successfully decoded the long and complex geological history of the Ladakh Magmatic Arc, revealing how this ancient system records over 130 million years of tectonic activity that ultimately led to the formation of the Himalaya. According to researchers from the Wadia Institute of Himalayan Geology, the region we now know as Ladakh was once located above the ancient Neo-Tethys Ocean. Deep beneath this ocean, a powerful geological process known as subduction took place, where an oceanic plate slowly moved under the Eurasian plate, generating heat and magma. This continuous subduction led to the formation of the Ladakh Magmatic Arc, a vast belt of igneous rocks that developed between the Jurassic and Eocene periods, approximately 201 to 34 million ye...

    A simple and cost-effective water solution is helping drought-prone regions in South Africa restore their groundwater supplies, offering hope for communities facing growing climate stress. Researchers from the University of the Free State have successfully implemented small-scale managed aquifer recharge (MAR) systems across five towns, demonstrating how excess rainwater can be stored underground for long-term use. South Africa is among the driest countries globally, with over 400 towns relying heavily on groundwater. In recent years, severe droughts have pushed some areas, including Sutherland, to “Day Zero” — when water supplies effectively run out. Traditional solutions like water-shedding have only provided temporary relief, especially as rainfall patterns bec...

    A recent scientific study has revealed that road dust re-suspension is a major and often overlooked contributor to air pollution across key stretches of New Delhi. The findings highlight a serious environmental concern along an 82.5-kilometre corridor stretching from Mayapuri to Punjabi Bagh via major highways including NH-44 and NH-9. The study, conducted by CSIR-NEERI and the Central Road Research Institute for the Commission for Air Quality Management, found that poor road conditions are significantly worsening dust pollution. Only 34 percent of the examined road stretch was classified as being in good condition, while the remaining 66 percent fell into moderate to poor categories. These degraded surfaces allow dust to accumulate easily and become airborne with pa...

    Scientists have created the first global map showing how ocean tides influence rivers far inland, revealing a major but overlooked flood risk affecting millions worldwide. The research, led by Technical University of Munich, shows that tides do not stop at coastlines. Instead, they travel upstream through rivers, increasing flood risks in inland areas. The study found that over 725 million people live in regions affected by tidal river influence, with more than 175,000 kilometres of rivers impacted globally. In some cases, tidal effects extend hundreds of kilometres inland, such as in the Amazon River. This new mapping tool helps identify vulnerable regions and track how risks may shift with climate change and rising sea levels. Researchers say the data will be...