Climate change and the energy transition are driving a wave of state laws overriding local governments, with...
Science
Planting more trees will decelerate climate change only if those trees are placed in optimal locations—primarily the...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: AGU Advances The evolution of...
Source: Water Resources Research This is an authorized translation of an Eos article. 本文是Eos文章的授权翻译。 如果人类想要在太空生活，无论是在航天器里还是在火星上，首先要解决的一个问题就是如何获取水，来满足饮用、卫生需求以及为维持生命所需的植物提供水分。即便只是将水运送到近地轨道上的国际空间站（ISS），也需要花费数万美元。因此，找到在太空中高效、持久且可靠地获取和再利用水资源的方法，对于长期在太空居住至关重要。 目前的系统，比如国际空间站上的环境控制与生命支持系统（ECLSS），为闭合式水回收提供了蓝图，但它们还需要改进才能适应未来的应用。与此同时，近期的技术和科学进步正为在严苛环境下寻找、净化和管理水资源开辟新的途径。在一篇新的综述中，Olawade等人概述了地外水资源管理的现状，以及该领域的前景和挑战。 作者指出，太空水系统需要具备闭环、高效和持久耐用的特性，同时还要满足低能耗的要求。目前，ECLSS能耗过高，其效率可能也不足以满足长期任务的需求。未来建议采用的过滤和回收方法包括：利用光催化技术通过光线净化水，利用生物反应器过滤尿液和废水，利用离子交换系统去除提取水中的溶解盐和重金属，以及利用紫外线或臭氧消毒杀灭病原体。每种方法各有优缺点：例如，生物反应器中的微生物燃料电池可以发电，而光催化净化则能耗较低。...
Since 1989, Utah’s Great Salt Lake has lost some 70% of its surface area, reducing its ecosystem...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Journal of Geophysical Research: Atmospheres...
The commission is pushing to get data centers onto the grid, and fast. The high-stakes move could...
Source: AGU Advances The Sun continuously blasts charged, magnetic field–carrying particles, or plasma, in all directions. This...
Editors’ Vox is a blog from AGU’s Publications Department. As climate change increases the frequency and intensity...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Journal of Geophysical Research: Earth...
Countries are navigating between the desire to speed up the green transition and worries over Beijing’s clean-tech...
The country is rapidly moving to restart reactors as artificial intelligence increases electricity demand and foreign wars...
Research & Developments is a blog for brief updates that provide context for the flurry of news regarding...
Republicans are standing by the Energy secretary, who was on Capitol Hill answering for the fallout from...
Nations split over doubling down on fossil fuels or accelerating renewables.
Source: Earth’s Future Greenhouse gas emissions are heating our atmosphere and oceans, and turning seawater more acidic....
Source: Global Biogeochemical Cycles The biological carbon pump moves carbon from near the ocean’s surface to deeper...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: AGU Advances Aerosols are tiny...
Ten people were killed in a large landslide in Papua New Guinea triggered by heavy rainfall associated...
