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CNN 国际新闻
📌 标题：The Great Pacific Garbage Patch is a plastic trash nightmare. It could also be part of a much bigger, hidden problem
📅 发布时间：Updated May 4, 2026, 11:00 AM ET
📝 英文原文：
Out in the Pacific Ocean, between Hawaii and California,is the Great Pacific Garbage Patch, a swirl of plastic trash more than twice the size of Texas. As pieces of plastic tumble against each other, they break down into particles tiny enough to be borne aloft on the wind. Once in the air, they have a climate impact that could affect us all, according to new research.The Great Pacific Garbage Patch is a significant source of airborne microplastics and nanoplastics, but there are many other places where tiny plastic particles can be whipped up into the skies, including from landfills, roadside litter and car tires.A team of scientists from China and the US have studied the makeup and behavior of these plastics, and found they are contributing to global heating, according to thestudypublished Monday in the journal Nature.Most microplastics research has focused on their health and environmental dangers, but this report “reveals a long overlooked link between plastic pollution and climate change,” said Hongbo Fu, a study author and an atmospheric scientist at Fudan University in Shanghai.⛅ Get CNN Weather in your inboxThe forecast is just the beginning. We’ll send you expert coverage and the stories behind the weather — so you always know more than just the number.Sign up for the newsletterThe scientists zoomed in on microplastics, usually the size of a pencil eraser or smaller, and nanoplastics, which are the tiniest particles, many times smaller than the width of a human hair. They analyzed color, size and chemistry to understand more about how they interact with sunlight.They wanted to know whether particles scattered sunlight back into space — meaning they would have a cooling influence on the planet — or whether they absorbed sunlight, which would have a warming impact.Previous research has suggested microplastics’ contribution to global warming was negligible, but analyses have often assumed particles were clear, the report scientists said. What they found was a r
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🇨🇳 中文翻译：
在夏威夷和加利福尼亚州之间的太平洋上，有一个太平洋大垃圾带，这是一个塑料垃圾漩涡，其面积是德克萨斯州的两倍多。当塑料碎片相互翻滚时，它们会分解成足够小的颗粒，可以被风带到高处。根据新的研究，一旦进入空气中，它们就会对气候产生影响，从而可能影响我们所有人。太平洋垃圾带是空气中微塑料和纳米塑料的重要来源，但还有许多其他地方
🔗 原文链接：阅读全文
本文由自动抓取系统生成，英文原文已自动翻译为中文。 |
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