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  • Hydropower dams offer a pathway for low-carbon energy supply in Africa, yet unchecked dam expansion can harm the environment. A study shows how the integration of different dam environmental concerns into energy system planning can lead to sustainable hydropower development.

    • Mohammed Basheer
    News & Views
  • Industrial firms will need to reduce carbon dioxide emissions dramatically for the world to reach its climate change mitigation goals. Now, analysis shows that the economic and employment impacts of these reductions can vary widely, depending on which firms are targeted.

    • Valerie J. Karplus
    News & Views
  • Environmental health is an under-studied aspect of the One Health approach, despite being equally important to human, animal and plant health. Now, a study, aiming to redress this imbalance, shows the potential ecotoxicological effects of treating cattle with insecticide to control mosquitoes that spread malaria.

    • Andrew Forbes
    News & Views
  • Achieving a circular system for electronics hinges on greener design and effective recycling methods. Now, research presents a more durable printed circuit board that can also be sustainably and effectively recycled.

    • Pengju Li
    • Bozhi Tian
    News & Views
  • Oil and gas installations, offshore windfarms and other artificial constructions may enhance marine ecosystems and have been proposed to help meet conservation targets. A study synthesizes existing literature to reveal global patterns in their ecological effectiveness.

    • Andrew R. Gates
    • Daniel O. B. Jones
    News & Views
  • A growing population, climate change and the environmental impacts of conventional agricultural practices are worsening food insecurity. New research shows that use of nanofertilizers can increase food production while simultaneously decreasing the negative environmental effects of agriculture.

    • Christian O. Dimkpa
    • Christy L. Haynes
    • Jason C. White
    News & Views
  • Phase transitions are detrimental to the cyclability of layered oxide cathodes for next-generation sodium-ion batteries. Now, two complementary studies suggest principles on how to navigate through the vast compositional space for better electrochemical performance.

    • Dylan A. Edelman
    • Donggun Eum
    • William C. Chueh
    News & Views
  • Polyamides are an important class of polymers, yet their fossil-based manufacturing markedly contributes to environmental pollution. A recent breakthrough unlocks a sustainable pathway to recyclable polyamides produced directly from biomass.

    • Antonio A. Castillo-Garcia
    • Katalin Barta
    News & Views
  • Global food systems, a major driver of biodiversity loss, are exposed to multiple stressors, including geopolitical shocks like wars. A study now shows the impacts of the Russia–Ukraine conflict on the global food market, and the consequences in terms of cropland expansion and biodiversity harm.

    • Peter Alexander
    News & Views
  • 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.

    • Zhedong Liu
    • Yanan Chen
    News & Views
  • 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.

    • Tamara Metze
    • Eduardo Rojas-Padilla
    News & Views
  • 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.

    • Sylvain Pioch
    • William F. Patterson III
    News & Views
  • 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.

    • Talia Khan
    • Markus J. Buehler
    News & Views
  • 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.

    • Min Zheng
    • Tao Liu
    News & Views
  • Eco-sensitive river basins are facing pressure to reduce carbon emissions and rapidly grow their economies. Now, a study identifies the exploitable hydropower potential in low-carbon futures, and the risks of relying on large-scale hydropower projects to integrate variable renewable energy in a decarbonized world.

    • Noah Kittner
    News & Views
  • Human changes to freshwater flows affect marine ecosystems, but such impacts are rarely considered in development plans involving dam building and water abstraction from rivers. Now research shows how approaches that integrate flow management and marine fisheries can improve both freshwater and coastal ecosystem sustainability.

    • Thiago B. A. Couto
    • Suresh A. Sethi
    News & Views
  • Quantifications of the impacts of sea-level rise in small island states are urgently needed. Focusing on flooding from sea-level rise, a study now estimates the impacts in terms of cost, land loss and population exposure across all small islands worldwide.

    • Rosanne Martyr-Koller
    • Carl-Friedrich Schleussner
    News & Views
  • Humans and mangroves adapt to conditions arising from subsidence and relative sea-level rise. Quantifying adaptation responses provides an innovative and cost-effective means of characterizing spatial variation in subsidence and relative sea-level rise and delivers critical information for coastal planning.

    • Kerrylee Rogers
    News & Views
  • Siloed exploitation, management and planning of the oceans have resulted in escalating damage to ocean biodiversity and conflicts among users. A study now provides a set of principles to ensure participation and inclusion of all rights-holders and stakeholders towards transformative ocean governance to enable sustainability.

    • David O. Obura
    News & Views