Stefanie Hellweg
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View article: Global Plastic Industry Transition Addressing Key Drivers of the Triple Planetary Crisis
Global Plastic Industry Transition Addressing Key Drivers of the Triple Planetary Crisis Open
The sustainable transition of the plastic industry─shifting from its fossil reliance and linear produce-use-dispose model─is imperative to minimize its contribution to the triple planetary crisis of climate change, biodiversity loss, and p…
View article: Spatiotemporal mapping of Swiss exterior wall material stock using a large language model and architectural history
Spatiotemporal mapping of Swiss exterior wall material stock using a large language model and architectural history Open
Building material stock studies are essential for advancing the circular economy in construction. However, existing models often lack both accuracy and scalability. While machine learning has demonstrated significant potential to enhance p…
View article: Global sensitivity analysis of correlated uncertainties in life cycle assessment
Global sensitivity analysis of correlated uncertainties in life cycle assessment Open
Recent advances in research have made global sensitivity analysis of very large and highly linear life cycle assessment systems feasible. In this paper, we build on these developments to include sensitivity analysis of correlated parameter…
View article: Is ‘local food’ best? Evaluating agricultural greenhouses in Switzerland as an alternative to imports for reducing carbon footprint
Is ‘local food’ best? Evaluating agricultural greenhouses in Switzerland as an alternative to imports for reducing carbon footprint Open
Sustainable agricultural practices are essential to mitigate environmental impacts. Greenhouse cultivation offers potential solutions for enhancing crop yields and reducing the impacts on land and water resources. However, reliance on foss…
View article: Rising greenhouse gas emissions embodied in the global bioeconomy supply chain
Rising greenhouse gas emissions embodied in the global bioeconomy supply chain Open
The bioeconomy is key to meeting climate targets. Here, we examine greenhouse gas emissions in the global bioeconomy supply chain (1995–2022) using advanced multi-regional input-output analysis and a global land-use change model. Consideri…
View article: Source data to create the figures of the study "Rising greenhouse gas emissions embodied in the global bioeconomy supply chain" using REX3 with new GHG extension including LULUCF
Source data to create the figures of the study "Rising greenhouse gas emissions embodied in the global bioeconomy supply chain" using REX3 with new GHG extension including LULUCF Open
This repository contains the source data to create the figures of the study Rising greenhouse gas emissions embodied in the global bioeconomy supply chain published in Communications Earth & Environment. The results were calculated with th…
View article: Environmental impact of integrating decentralized urine treatment in the urban wastewater management system: A comparative life cycle assessment
Environmental impact of integrating decentralized urine treatment in the urban wastewater management system: A comparative life cycle assessment Open
As municipal wastewater treatment regulations become more stringent, integrating source-separated urine treatment into centralized urban wastewater management offers a ′hybrid′ solution. However, it is not clear how the environmental impac…
View article: Assessing decarbonization strategies and industrial symbiosis in the chemical and waste‐to‐energy sector
Assessing decarbonization strategies and industrial symbiosis in the chemical and waste‐to‐energy sector Open
Swiss waste‐to‐energy (WtE) plants are required to capture their CO 2 emissions by 2050 to meet the net‐zero climate target, with options for underground storage (carbon capture and storage [CCS]) or utilization (carbon capture and utiliza…
View article: Land‐Use Impacts on Plant Functional Diversity Throughout Europe
Land‐Use Impacts on Plant Functional Diversity Throughout Europe Open
Aim Global biodiversity loss resulting from anthropogenic land‐use activities is a pressing concern, requiring precise assessments of impacts at large spatial extents. Existing models mainly focus on species richness and abundance, lacking…
View article: Spatiotemporal assessment of the cumulative exergy demand of agricultural greenhouse production with industrial symbiosis
Spatiotemporal assessment of the cumulative exergy demand of agricultural greenhouse production with industrial symbiosis Open
While agricultural greenhouses facilitate out-of-season production, they face criticism due to their considerable resource consumption and consequential negative environmental repercussions. Resource use varies based on location, meteorolo…
View article: <tt>LitChemPlast</tt>: An Open Database of Chemicals Measured in Plastics
LitChemPlast: An Open Database of Chemicals Measured in Plastics Open
Plastics contain various chemical substances, which can impact human and ecosystem health and the transition to a circular economy. Meanwhile, information on the presence of individual substances in plastics is generally not made publicly …
View article: Increasing the Recycling of PVC Flooring Requires Phthalate Removal for Ensuring Consumers’ Safety: A Cross-Checked Substance Flow Analysis of Plasticizers for Switzerland
Increasing the Recycling of PVC Flooring Requires Phthalate Removal for Ensuring Consumers’ Safety: A Cross-Checked Substance Flow Analysis of Plasticizers for Switzerland Open
As our planet grapples with the severe repercussions of plastic pollution, mechanical recycling has been proposed as a potential remedy. However, increasing mechanical recycling may have unintended negative consequences. For example, recyc…
View article: Biodiversity impacts of recent land-use change driven by increases in agri-food imports
Biodiversity impacts of recent land-use change driven by increases in agri-food imports Open
Land-use change such as the conversion of natural habitat to agricultural land has been a major driver of global biodiversity loss, prompting efforts at biodiversity restoration. However, restoration measures in certain areas can shift the…
View article: Optimization framework of clean heat and CO2 supply for agricultural greenhouses exploiting industrial symbiosis
Optimization framework of clean heat and CO2 supply for agricultural greenhouses exploiting industrial symbiosis Open
The rising demand for greenhouse cultivation poses a challenge in providing environmentally friendly energy to maintain favorable greenhouse indoor conditions. This research presents an optimization model to identify cost-optimal symbiotic…
View article: Spatial optimization of industrial symbiosis for heat supply of agricultural greenhouses
Spatial optimization of industrial symbiosis for heat supply of agricultural greenhouses Open
Despite the many benefits of greenhouses, it is challenging to meet their heating demand, as greenhouses belong to the most energy‐intensive production systems in the agriculture sector. Industrial symbiosis can bring an effective solution…
View article: Region-Specific Sourcing of Lignocellulose Residues as Renewable Feedstocks for a Net-Zero Chemical Industry
Region-Specific Sourcing of Lignocellulose Residues as Renewable Feedstocks for a Net-Zero Chemical Industry Open
Biobased chemicals, crucial for the net-zero chemical industry, rely on lignocellulose residues as a major feedstock. However, its availability and environmental impacts vary greatly across regions. By 2050, we estimate that 3.0-5.2 Gt of …
View article: Global trends and scenarios for terrestrial biodiversity and ecosystem services from 1900 to 2050
Global trends and scenarios for terrestrial biodiversity and ecosystem services from 1900 to 2050 Open
Based on an extensive model intercomparison, we assessed trends in biodiversity and ecosystem services from historical reconstructions and future scenarios of land-use and climate change. During the 20th century, biodiversity declined glob…
View article: Land-use impacts on plant functional diversity throughout Europe
Land-use impacts on plant functional diversity throughout Europe Open
Aim Global biodiversity loss resulting from anthropogenic land-use activities is a pressing concern, requiring precise assessments of impacts at large spatial extents. Existing models mainly focus on species richness and abundance, lacking…
View article: Enhanced Deep-Learning Model for Carbon Footprints of Chemicals
Enhanced Deep-Learning Model for Carbon Footprints of Chemicals Open
Millions of chemicals have been designed; however, their product carbon footprints (PCFs) are largely unknown, leaving questions about their sustainability. This general lack of PCF data is because the data needed for comprehensive environ…
View article: Legacy and Emerging Plasticizers and Stabilizers in PVC Floorings and Implications for Recycling
Legacy and Emerging Plasticizers and Stabilizers in PVC Floorings and Implications for Recycling Open
Hazardous chemicals in building and construction plastics can lead to health risks due to indoor exposure and may contaminate recycled materials. We systematically sampled new polyvinyl chloride floorings on the Swiss market (n = 151). We …
View article: Mapping Local Synergies: Spatio-Temporal Analysis of Switzerland’s Waste Heat Potentials vs. Heat Demand
Mapping Local Synergies: Spatio-Temporal Analysis of Switzerland’s Waste Heat Potentials vs. Heat Demand Open
As nations transition to renewable energy, making use of waste heat becomes crucial to combat climate change. This study focused on quantifying Switzerland’s waste heat potential from industrial processes and waste-to-energy facilities, us…
View article: Resolved Exiobase version 3 (REX3)
Resolved Exiobase version 3 (REX3) Open
Description of the REX3 database This repository provides the Resolved EXIOBASE database version 3 (REX3) of the study "Biodiversity impacts of recent land-use change driven by increases in agri-food imports” published in Nature Sustainabi…
View article: Issue Information, Cover, and Table of Contents
Issue Information, Cover, and Table of Contents Open
Carbon-neutral pathways to 2050 for
View article: The role of chemical and solvent-based recycling within a sustainable circular economy for plastics
The role of chemical and solvent-based recycling within a sustainable circular economy for plastics Open
Chemical and solvent-based recycling of plastic waste may help overcome some of the challenges faced by predominantly applied mechanical recycling techniques. This study quantifies the environmental impacts of chemical and solvent-based re…
View article: Resolved Exiobase version 3 (REX3)
Resolved Exiobase version 3 (REX3) Open
This was a preliminary version. Please use the version REX3 database.