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Page 8 - புவியியல் கணக்கெடுப்பு ஆஃப் டென்மார்க் News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Arctic warming three times faster than average rate of planet, study finds

Scientists are concerned because impacts of a warming Arctic may be felt elsewhere. | David Goldman/AP Over the past five decades, the Arctic has warmed three times faster than the world as a whole, leading to rapid and widespread melting of ice and other far-reaching consequences that are important not only to local communities and ecosystems but to the fate of life on planet Earth. The Arctic Monitoring and Assessment Program (AMAP) issued that warning on Thursday in a new report that summarizes the latest findings on Arctic change and projections of future transformations under different climate scenarios. The publication of AMAP’s report coincides with this week’s meeting of the Arctic Council in Reykjavík, Iceland, which brings together policymakers from countries bordering the region.

Sand s urban role demands key part on sustainability stage

Credit: Bibek Raj Shrestha Over 20 Indonesian islands mysteriously disappear. One of the world s deadliest criminal syndicates rises to power. Eight cities the size of New York will be built every year for the next three decades. What connects them is sand, embedded in the concrete of nearly all of the world s buildings, roads, and cities, the glass in the windows, laptops and phone screens, and COVID-19 vaccine vials. The unexamined true costs of sand - broadly, construction aggregates production has spurred a group of scientists to call for a stronger focus on understanding the physical dimension of sand use and extraction. They also suggest new ways to achieve economic and environmental justice.

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