As cities grow denser and hotter, creating space for greenery becomes increasingly difficult. To address this challenge, researchers from Chiba University developed a data-driven framework that integrates artificial intelligence and spatial analysis to map vertical greenery across Tokyo’s 23 wards. By analyzing over 80,000 street-view images, the team identified uneven distribution patterns and proposed a vertical greening demand index to guide future urban greening initiatives and climate-resilient urban planning.

Distribution-type membrane reactors are expected to be highly promising for carbon dioxide methanation reaction. In a recent breakthrough, a group of scientists from Shibaura Institute of Technology, Japan, has demonstrated the efficacy of these reactors and also examined the effect of membrane properties on reaction parameters. The present findings are a significant step towards a greener, cleaner, and more sustainable future.

Septic shock, a life-threatening complication of infection, has long been treated with rapid infusion of at least 30 mL/kg of intravenous fluids within three hours. But mounting evidence suggests this “one-size-fits-all” approach may harm some patients without benefiting others. An editorial by critical care specialists reviews the science and argues for individualized, dynamically reassessed fluid resuscitation instead of a rigid target. The piece reflects growing calls to update international guidelines.

A recent study published in National Science Review has introduced a policy-specific assessment framework featuring a novel Synergy Index, designed to uncover how air pollution control and carbon mitigation can move in harmony or fall out of step. Drawing on China’s on-road transportation sector as a case study, the research quantifies both the realized and untapped synergies in reducing greenhouse gases (GHGs) and improving air quality. The findings paint a compelling picture: from 2010 to 2020, China’s on-road transportation emission control policies achieved lower GHG emissions, cleaner air, and substantial public health benefits. However, behind this progress lies an unexpected finding showing that policy synergies have been weakening, highlighting the urgency of robust structural transitions to maintain long-term carbon and air-pollution co-control, to advance a sustainable pathway toward the Sustainable Development Goals, and to fullfil the newly announced NDC target.

An international team of scientists reports producing a form of germanium that is superconducting—able to conduct electricity with zero resistance, which allows currents to flow indefinitely without energy loss, resulting in greater operational speed that requires less energy. 

Airplane travel is more popular than ever, and our desire for fast transportation means jet fuel has become a major contributor to greenhouse gas emissions. Now, researchers at the University of Illinois Urbana-Champaign have discovered a novel way to address that problem—by converting food waste into sustainable aviation fuel (SAF) that meets industry standards without relying on fossil fuel blends. Their process, described in a new Nature Communications study, could help the aviation industry meet its ambitious goal of net-zero carbon emissions by 2050.