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It’s time to explore reflecting sunlight back into space to tackle climate crisis, says UN | Climate News
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Global efforts to tackle climate change are currently insufficient, meaning it is time to explore technologies to reflect sunlight hitting the Earth back into space, a UN report has said. With efforts to reduce greenhouse gas emissions “not on track to meet the 1.5°C Paris Agreement goal”, the UN Environment Programme (UNEP) said: “Climate change…
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Crash landing for dream of ‘guilt-free flying’? Scientists find no clear green alternative to jet fuel | Climate News
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The quest for guilt-free flying may have been knocked off course by a broad study that has concluded there is “no clear or single net zero alternative to jet fuel”. The four most viable alternatives “offer some carbon savings but are not ideal”, according to the review by the Royal Society academy of scientists. Replacing…
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Climate crisis may have triggered collapse of ancient Hittite empire, study suggests | Science & Tech News
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A three-year drought may have led to the collapse of the ancient Hittite civilisation in the Middle East 3,000 years ago, a study suggests. The Hittites, with their capital Hattusa situated in central Anatolia, were one of the ancient world’s great powers across five centuries. They became the main geopolitical rivals of ancient Egypt during…
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Elephant extinction must be avoided for sake of climate, study warns | Climate News
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The extinction of critically endangered elephants could amplify global warming, scientists have warned. As if the prospect of Earth’s biggest land mammal disappearing forever wasn’t bad enough, losing them would have a potentially devastating impact on the planet’s second-biggest rainforest. The elephant population in the Congo Basin, which spans several countries in central and western…
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Scientists discover new emperor penguin colony in Antarctica – by spotting their poo from space | Climate News
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Scientists have discovered a new emperor penguin colony in Antarctica from space, using satellite-mapping technology. The colony, which is home to 500 birds, was identified by penguin guano – poo – stains, which contrast against the stark white snow and rock. The site at Verleger Point, West Antarctica, has been announced to mark Penguin Awareness…
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Earth risks losing 40% of glacial mass if it doesn’t give up fossil fuels, projection warns | Climate News
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More than 40% of Earth’s glacial mass could disappear if humanity keeps investing in fossil fuels, warns a stark new projection. The bleak scenario would mean more than two thirds of the total number of glaciers would vanish by the end of the century, contributing to ever-increasing sea levels around the world. Lead researcher David…
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Life finds a way: How climate change helped dinosaur success story | Science & Tech News
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Climate change played a key role in the ascendancy of the earliest dinosaurs, according to new research. Ancestors of the recognisably long-necked diplodocus and brachiosaurus were particular beneficiaries of shifting environmental conditions in the late Triassic and early Jurassic period, some 201 million years ago. While the transition between the two eras did see a…
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‘Guilt free’ transatlantic flight is on the horizon, government says | Climate News
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Guilt free flying is one step closer to reality, the government has said, as it awarded Virgin Airlines up to £1m to test the first transatlantic commercial flight powered by green fuel. A normal Boeing 787 passenger plane will next year jet from London to New York in a bid to prove long haul flights…
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‘Game-changing’ discovery of world’s oldest DNA could hold key to combating climate change | Science & Tech News
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The discovery of the world’s oldest DNA, dating back two million years, could reveal how to counteract global warming, scientists have said. Opening what has been hailed as a “game-changing” new chapter in the history of evolution, microscopic fragments were found buried deep in sediment that had built up over 20,000 years in northern Greenland.…
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Climate change message should not be doom and gloom, says Tony Robinson | Ents & Arts News
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Sir Tony Robinson, star of Blackadder and veteran presenter of Time Team, has told Sky News he wants the message of climate change to be less about doom and gloom and more hopeful. “I’ve been frustrated for quite some time about the way we talk about climate change,” he said. “It’s like there’s nothing but…