Environment

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A new study has revealed that small lakes on Earth have expanded considerably over the last four decades – a worrying development, considering the amount of greenhouse gases freshwater reservoirs emit. Between 1984 and 2019, global lake surfaces increased in size by more than 46,000 square kilometers (17,761 square miles), researchers say. That’s slightly more
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Our failure to decisively mitigate climate change is prompting researchers to examine more drastic approaches, like fertilizing the oceans to combat the massive excess of carbon dioxide in our air. “At this point, time is of the essence,” says Michael Hochella, an Earth scientist at the US Department of Energy’s Pacific Northwest National Laboratory. “To
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Fast-melting glaciers are releasing staggering amounts of bacteria into rivers and streams, which could transform icy ecosystems, scientists warn. In a study of glacial runoff from 10 sites across the Northern Hemisphere, researchers have estimated that continued global warming over the next 80 years could release hundreds of thousands of tonnes of bacteria into environments
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The ocean covers most of our planet’s surface, accounts for the majority of our oxygen production, and provides a significant amount of resources by way of food, minerals, and energy. Yet our oceans are shockingly underrepresented when it comes to environmental conventions on an international scale. The deep blue yonder is often reduced to footnotes
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Based on its market share, the world’s most notorious cryptocurrency Bitcoin results in more climate damage than the production of beef and nearly as much damage as crude oil, researchers in the United States have calculated. The findings of the new three-pronged analysis suggest Bitcoin is potentially unsustainable and could have disastrous social and environmental
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More than eight months after the underwater volcano near Tonga erupted on Jan. 14, scientists are still analyzing the impacts of the violent blast, and they’re discovering that it could warm the planet. Recently, researchers calculated that the eruption of Hunga Tonga-Hunga Ha’apa spewed a staggering 50 million tons (45 million metric tons) of water
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Lakes appearing in Alaska because of melting permafrost are “belching” methane into the atmosphere, a scientist working with NASA said. These lakes, called thermokarsts, are so full of the climate-damaging gas that it can be seen bubbling to the surface. More and more of these lakes are appearing as Alaska’s permafrost thaws with rising temperatures
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Burning the world’s remaining fossil fuel reserves would unleash 3.5 trillion tonnes of greenhouse gas emissions – 7 times the remaining carbon budget to cap global heating at 1.5 degrees Celsius – according to the first public inventory of hydrocarbons released Monday. ​Human activity since the Industrial Revolution, largely powered by coal, oil, and gas,
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Failing to achieve the Paris agreement goal of limiting global warming to 1.5 °C could trigger multiple dangerous “tipping points” where changes to climate systems become self-sustaining, according to a major new study published in Science. Even current levels of warming have already put the world at risk of five major tipping points – including
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Scientists reviewing over a decade’s worth of studies on the fate of notorious pollutants – dubbed ‘forever chemicals’ for the way they persist in waterways, soils, and sea ice – have unearthed where environmental hotspots of contamination lie. The review, led by hydrologist Xueyan Lyu of Nanjing University of Information Science and Technology, focused specifically