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The impacts of the war in Ukraine on global food systems have multiple sustainability implications that are yet to be examined. This study simulates the potential war-induced cropland expansion worldwide and presents a biodiversity impact assessment, showing the most affected countries.
Most glass fibre-reinforced plastics (GFRPs) waste currently ends up in either landfills or incineration facilities, resulting in adverse environmental impacts and waste of resources. Now, a flash Joule heating technology can achieve rapid and effective upcycling of GFRPs waste into SiC, a material that has a wide range of applications.
Sustainable end-of-life management strategies for fibre-reinforced plastics are urgently needed from a sustainability perspective. Here the authors develop a solvent-free flash upcycling method, enabling ultrafast and efficient upcycling of fibre-reinforced plastics to fulfil such a need.
Urea is an essential fertilizer; however, its production is carbon and energy intensive. This work shows a pulsed co-electrolysis strategy that turns carbon dioxide and nitrate to urea directly utilising a molecular electrocatalyst.
Rechargeable zinc–air batteries are a sustainable energy storage system, but their performance is not yet competitive. Now a mesoporous single-atom catalyst steers the sluggish four-electron oxygen reduction reaction pathway to a faster two-electron process and enables highly reversible zinc–air batteries.
Using decades of high-resolution mapping, this study tracks the land area of the wildland–urban interface that is exposed to fire risk, finding increases in both area and risk in multiple locations globally.
To realize sustainability transitions, there is a need for broad societal support. A study now shows that images can be influential in building that support, even in the case of policy decisions to invest in greener urban transportation, which more sceptical citizens would typically not endorse.
Myriad structures, from purpose-built concrete modules to decommissioned petroleum platforms, have been deployed in US waters to create artificial reefs. Assessing their spatial coverage would help marine spatial planning but the task is challenging. Now a study does that and reveals some important ecological insights.
Whether on a hike, in a remote disaster zone or in your own home, access to clean water is critical. Filtration of freshwater to remove ultrafine particles like micro/nanoplastics, pathogens or other toxic components is unfortunately usually quite expensive, unportable and environmentally unfriendly.
Picturing positive changes resulting from greener transport policies can be more effective than trying to shift climate beliefs, often related to party affiliations. A study shows how AI pictures of future car-free cities enhanced Americans’ willingness to support more sustainable transport policies.
Oxygen electrocatalysis is key for energy conversion and storage technologies such as fuel cells and water electrolysers. However, the measurement of the performance of electrocatalysts is not standardized. This Comment addresses emerging pitfalls in performance evaluation and discusses best practices for oxygen electrocatalysis.
International policy is concerned about palm oil-induced deforestation, whereas Indonesia’s government and industry representatives emphasize the role that palm oil plays in support of the livelihoods of millions of smallholder local farmers. This Perspective discusses how smallholders can still be supported without incurring further forest loss.
Understanding the forces behind the successful governance of common-pool resources is crucial to sustainable development. This study reveals the importance of establishing and enforcing ‘access rights’ in the face of intergroup conflicts over resources to facilitate the evolution of sustainable ‘use rights’.
Extreme rainfall events, amplified by climate change, can stress public health, but efforts to assess health impacts have been fragmented so far. A study now analyses the relation between extreme rainfall and mortality from respiratory diseases across urban environments in East Asia.
The poor structural stability of cathode materials is responsible for the rapid capacity loss of sodium-ion batteries during cycling. This work addresses the instability by introducing vacancies into the transition metal layers and realize long-life pouch cells.
The authors manipulate two categories of cathodes for sodium-ion batteries for a rational design that combines high energy density with high power density and long cycling life.
The nitritation process, namely the biological conversion of ammonia to nitrite, is a pivotal approach in sustainable sewage management but remains challenging to implement in practice. Now a strategy shows remarkable efficiency in swiftly initiating and maintaining sewage nitritation, even under industrially relevant conditions.
Biological ammonia-to-nitrite conversion (nitritation) in mainstream municipal wastewater is environmentally desirable but hard to stabilize. This study presents an effective loading rate switch strategy that enables stable nitritation in mainstream sewage.
Optimal risk management involves maintaining formal and informal risk instruments, which is difficult under increasing climate risks. A study now investigates the issue and finds that policies cultivating moderate altruism and solidarity can help farmers better manage climate risks.
