Nature Reviews Clean Technology, Published online: 02 October 2026; doi:10.1038/s44359-026-00223-9Net-zero targets and rising electricity demands are renewing interest in space-based solar power technologies. A pragmatic, risk-managed strategy is essential to avoid a repeat of previous hype cycles and create a credible path toward deployment.

Nature Reviews Clean Technology, Published online: 01 October 2026; doi:10.1038/s44359-026-00226-6An article in Energy & Environmental Science demonstrates a machine-learning framework that uses optical signatures from absorption spectra to predict the efficiency and stability of previously untested organic solar cell blends.

Join us for a virtual workshop that explores the role of materials and chemistry in advancing clean energy production, low-carbon and circular infrastructure materials, materials valorization and technologies for clean water and environmental remediation.

Nature Reviews Clean Technology, Published online: 30 September 2026; doi:10.1038/s44359-026-00219-5Graphite is widely used in batteries and other clean technologies, but supply constraints and environmental burdens associated with traditional production have increased interest in obtaining graphite from waste streams. This Review examines the supply-chain, environmental, economic and policy implications of producing graphite from biomass residues, plastics waste and spent lithium-ion batteries.

Nature Reviews Clean Technology, Published online: 29 September 2026; doi:10.1038/s44359-026-00227-5Henrique Gasparetto describes how hydrogen temperature-programmed reduction can be used to probe metal–support interactions in catalysts.

Nature Reviews Clean Technology, Published online: 02 October 2026; doi:10.1038/s44359-026-00223-9Net-zero targets and rising electricity demands are renewing interest in space-based solar power technologies. A pragmatic, risk-managed strategy is essential to avoid a repeat of previous hype cycles and create a credible path toward deployment.

Tin halide perovskites are lead-free alternatives to traditional perovskite photovoltaics but their efficiency is limited by easy defect formation and oxidation. This Review examines materials and device engineering strategies that could enable commercially viable photovoltaics from these materials.

Nature Reviews Clean Technology, Published online: 28 September 2026; doi:10.1038/s44359-026-00225-7An article in Environmental Science & Technology describes the potential effect of technology optimization and decarbonization measures on lithium extraction from brine impacts.

Nature Reviews Clean Technology, Published online: 28 September 2026; doi:10.1038/s44359-026-00220-yEarth observation can provide key information for planning, operations and independent monitoring with verification but is often underused in energy governance. Earth observation approaches should be embedded in energy policy and technical capacity to leverage this information for the clean energy transition.

Coupling electrocatalytic reactions could enable more efficient and economically viable systems for chemical production. This Review discusses key technical and economic principles for the development of coupled electrocatalytic systems.

Nature Reviews Clean Technology, Published online: 01 October 2026; doi:10.1038/s44359-026-00226-6An article in Energy & Environmental Science demonstrates a machine-learning framework that uses optical signatures from absorption spectra to predict the efficiency and stability of previously untested organic solar cell blends.

Shwetha Prakash explains how in situ Raman spectroscopy can be used to study electrochemical processes in real time.

Nature Reviews Clean Technology, Published online: 30 September 2026; doi:10.1038/s44359-026-00219-5Graphite is widely used in batteries and other clean technologies, but supply constraints and environmental burdens associated with traditional production have increased interest in obtaining graphite from waste streams. This Review examines the supply-chain, environmental, economic and policy implications of producing graphite from biomass residues, plastics waste and spent lithium-ion batteries.

Insights from lithium-ion battery commercialization can inform ongoing efforts in these batteries and others. This Expert Recommendation describes the development of lithium-ion batteries and lessons that can be applied across battery technologies.

Nature Reviews Clean Technology, Published online: 29 September 2026; doi:10.1038/s44359-026-00227-5Henrique Gasparetto describes how hydrogen temperature-programmed reduction can be used to probe metal–support interactions in catalysts.

Nature Reviews Clean Technology, Published online: 28 September 2026; doi:10.1038/s44359-026-00225-7An article in Environmental Science & Technology describes the potential effect of technology optimization and decarbonization measures on lithium extraction from brine impacts.

Microalgal–bacterial consortium systems can be used to treat wastewater while fixing carbon. This Review describes the basis and effectiveness of these systems.

Nature Reviews Clean Technology, Published online: 28 September 2026; doi:10.1038/s44359-026-00220-yEarth observation can provide key information for planning, operations and independent monitoring with verification but is often underused in energy governance. Earth observation approaches should be embedded in energy policy and technical capacity to leverage this information for the clean energy transition.

Join us for a virtual workshop that explores the role of materials and chemistry in advancing clean energy production, low-carbon and circular infrastructure materials, materials valorization and technologies for clean water and environmental remediation.

Zirui Wang explains how interdigitated electrode arrays can be used to streamline studies for electrochemical systems.

Nature Reviews Clean Technology, Published online: 11 September 2026; doi:10.1038/s44359-026-00212-yMicroalgal–bacterial consortium systems can be used to treat wastewater while fixing carbon. This Review describes the basis and effectiveness of these systems.

Nature Reviews Clean Technology, Published online: 10 September 2026; doi:10.1038/s44359-026-00203-zInsights from lithium-ion battery commercialization can inform ongoing efforts in these batteries and others. This Expert Recommendation describes the development of lithium-ion batteries and lessons that can be applied across battery technologies.

Nature Reviews Clean Technology, Published online: 09 September 2026; doi:10.1038/s44359-026-00218-6Carbon dioxide removal has been described both as a mitigation necessity and as a risk to mitigation ambition or sustainability in the academic literature. This Comment examines the assumptions underlying carbon dioxide removal narratives and investigates whether they are reconcilable to inform the focus of research and policy.

Join us for a virtual workshop that explores the role of materials and chemistry in advancing clean energy production, low-carbon and circular infrastructure materials, materials valorization and technologies for clean water and environmental remediation.

Plasma technology could enable rapid, high-temperature electrified chemical manufacturing, but temperature gradients, integration complexity and electricity demand remain key challenges. This Review discusses the scaling barriers for thermal and non-thermal plasma technology.

Coupling electrocatalytic reactions could enable more efficient and economically viable systems for chemical production. This Review discusses key technical and economic principles for the development of coupled electrocatalytic systems.

Du Chen describes how vibrational-pump–visible-probe thermometry can be used to study the thermal properties of hybrid perovskite materials and devices.

Kesterites have re-emerged as a promising earth-abundant thin-film photovoltaic technology. This Review describes how advances in crystallization control, defect suppression, atomic ordering and rear-interface engineering could enable progress to efficiencies that surpass 20%

Nature Reviews Clean Technology, Published online: 04 September 2026; doi:10.1038/s44359-026-00211-zLan Wen discusses how high-performance liquid chromatography can be used to monitor products and yields in photoelectrochemical systems.

Nature Reviews Clean Technology, Published online: 03 September 2026; doi:10.1038/s44359-026-00210-0Tin halide perovskites are lead-free alternatives to traditional perovskite photovoltaics but their efficiency is limited by easy defect formation and oxidation. This Review examines materials and device engineering strategies that could enable commercially viable photovoltaics from these materials.

Nature Reviews Clean Technology, Published online: 11 September 2026; doi:10.1038/s44359-026-00212-yMicroalgal–bacterial consortium systems can be used to treat wastewater while fixing carbon. This Review describes the basis and effectiveness of these systems.

Nature Reviews Clean Technology, Published online: 03 September 2026; doi:10.1038/s44359-026-00214-wShwetha Prakash explains how in situ Raman spectroscopy can be used to study electrochemical processes in real time.

Lithium extraction is needed to meet growing demand, but separating lithium from co-occurring elements can be difficult. This Review connects the properties of lithium ions and compounds to their behaviour during separation, and recommends approaches to leverage these properties for efficient extraction.

Nature Reviews Clean Technology, Published online: 02 September 2026; doi:10.1038/s44359-026-00217-7Zirui Wang explains how interdigitated electrode arrays can be used to streamline studies for electrochemical systems.

Nature Reviews Clean Technology, Published online: 10 September 2026; doi:10.1038/s44359-026-00203-zInsights from lithium-ion battery commercialization can inform ongoing efforts in these batteries and others. This Expert Recommendation describes the development of lithium-ion batteries and lessons that can be applied across battery technologies.

Nature Reviews Clean Technology, Published online: 09 September 2026; doi:10.1038/s44359-026-00218-6Carbon dioxide removal has been described both as a mitigation necessity and as a risk to mitigation ambition or sustainability in the academic literature. This Comment examines the assumptions underlying carbon dioxide removal narratives and investigates whether they are reconcilable to inform the focus of research and policy.

Nature Reviews Clean Technology, Published online: 11 September 2026; doi:10.1038/s44359-026-00212-yMicroalgal–bacterial consortium systems can be used to treat wastewater while fixing carbon. This Review describes the basis and effectiveness of these systems.

Nazmul Haque demonstrates how mechanophores enable the mapping and quantification of internal stress concentrations in polymer composites.

Nature Reviews Clean Technology, Published online: 10 September 2026; doi:10.1038/s44359-026-00203-zInsights from lithium-ion battery commercialization can inform ongoing efforts in these batteries and others. This Expert Recommendation describes the development of lithium-ion batteries and lessons that can be applied across battery technologies.

The energy density demands of aviation mean that hydrocarbons are the primary viable fuel option for most use cases. This Review explores mature and emerging technologies for producing aviation fuel from biomass and waste, and discusses routes to achieving industry targets.

Join us for a virtual workshop that explores the role of materials and chemistry in advancing clean energy production, low-carbon and circular infrastructure materials, materials valorization and technologies for clean water and environmental remediation.

Nature Reviews Clean Technology, Published online: 09 September 2026; doi:10.1038/s44359-026-00218-6Carbon dioxide removal has been described both as a mitigation necessity and as a risk to mitigation ambition or sustainability in the academic literature. This Comment examines the assumptions underlying carbon dioxide removal narratives and investigates whether they are reconcilable to inform the focus of research and policy.

Organic photovoltaics (OPVs) now achieve efficiencies exceeding 21%, but commercialization depends on improving stability, scalability and cost alongside performance. This Review describes how advances in materials, interfaces and manufacturing can enable durable OPVs for applications including wearable, indoor and building-integrated energy harvesting.

The infrastructure of artificial intelligence (AI) has associated carbon emissions and water usage. This Review examines the potential scale of these environmental impacts and describes research into strategies to increase the sustainability of AI.

Nature Reviews Clean Technology, Published online: 27 August 2026; doi:10.1038/s44359-026-00215-9An article in Nature Communications examines the economics of zero-emission heavy-duty trucks.

Dipesh Adhikari discusses how comprehensive two-dimensional gas chromatography can be used for identifying complex chemical mixtures.

Nature Reviews Clean Technology, Published online: 04 September 2026; doi:10.1038/s44359-026-00211-zLan Wen discusses how high-performance liquid chromatography can be used to monitor products and yields in photoelectrochemical systems.

Nature Reviews Clean Technology, Published online: 26 August 2026; doi:10.1038/s44359-026-00213-xAn article in Energy & Environmental Science discusses a lithiophilicity-guided strategy for selecting metal interlayers to improve the interfacial stability of solid-state lithium-metal batteries.

Nature Reviews Clean Technology, Published online: 26 August 2026; doi:10.1038/s44359-026-00216-8An article in Energy Economics modelled how wildfire smoke in Alberta affected electricity production and pricing.