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Reducing plastic waste incineration is crucial for Sweden’s transition to a carbon neutral society in 2045. To achieve this goal, it is essential to increase the material recycling of plastics. The availability of recyclable plastics depends on the private individual’s participation in sorting their plastic waste at the municipal recycling centres. Currently, the sorting quality of the rigid plast
To address the problems of climate change and energy security, Chinese government strived to develop renewable power as an important alternative of conventional electricity. In this paper, the learning curve model is employed to describe the decreasing unit investment cost due to accumulated installed capacity; the technology diffusion model is used to analyze the potential of renewable power. Com
The old city of Fez, Morocco, classified as Heritage of Humankind by the UNESCO, is subject to an integrated rehabilitation plan running over 15 years. The plan aims at restoring and preserving the economy, cultural value, and social heritage of the old city. The study follows a system dynamics approach to describe and analyze the rehabilitation plan in order to identify the strengths and defects
This paper focuses on future scenarios of demand and supply of grain in China. Economic development has been growing at a steady pace for decades and there are no signs of a decline in the near future. Projections of population trends show that the population will continue to expand until 2050, when a levelling- off is predicted. The growth of both population and economy drives industrialisation a
A new fragmentation model for multigluon strings is presented
Scenario: Using adaptive dynamic theory, expose a monomorphic prey population to two habitat types and a visual predator. Questions: What circumstances can lead to the evolution of polymorphic crypsis? How is the outcome affected by the dispersal pattern of the prey and predator, by the amount of predation, and by the trade-off strength between the habitats? Mathematical method: I modelled three d
It is relevant to consider uncertainty in individual predictions when quantitative structure-activity (or property) relationships (QSARs) are used to support decisions of high societal concern. Successful communication of uncertainty in the integration of QSARs in chemical safety assessment under the EU Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) system can be faci
A dynamic coupled biogeochemical-ecological model was used to simulate the effects of nitrogen deposition and climate change on plant communities at three forest sites in France. The three sites had different forest covers (sessile oak, Norway spruce and silver fir), three nitrogen loads ranging from relatively low to high, different climatic regions and different soil types. Both the availability
The WORLD6 model is a fully integrated dynamic world systems model. It includes a biophysical global economic model, based on first principles of physics and thermodynamics, forcing it to be fully consistent with the underlying mass- and energy balances. The WORLD6 model first creates value from extraction of natural resources, input of human labour, the efficiency effect of mechanization and auto
Environmental protection supervision is an important instrument for limiting and controlling the negative effects that environmentally hazardous activities can have on human health and the envi-ronment. Fuel facilities (“gas stations”) are one of these hazardous activities, supervised by envi-ronmental protection inspectors at the municipal level. To ensure legal compliance, inspectors use tools s
Sweden has long been seen as a leader in environmental policy. However, after the reorganization of the Swedish Ministry of the Environment in 2023, concerns have been raised about how this change affects the country’s climate work. This study investigates how the merger of the Ministry of Climate with the Ministry of Enterprise has influenced the political priorities between renewable energy and
Global biodiversity is declining, which threatens ecosystems as well as essen-tial ecosystem services. The corporate sector is an important part of the solu-tion. Companies covered by the Corporate Sustainability Reporting Directive (CSRD) are required to disclose their impacts on biodiversity according to the European Sustainability Reporting Standard (ESRS) E4 if their impacts are determined to
We are at a critical point where the carbon emissions worldwide must cease. One way to do so is to switch to renewable energy and become less dependent on fossil fuels. Solar power is an energy source which can be expanded rather quickly, and has become more common in the past years. The issue with large scale solar power plants is that they take up a lot of space, which leads to conflict of inter
Per- and polyfluoroalkyl substances (PFAS) are a group of highly persistent synthetic chemicals that have raised growing concern due to their widespread presence in the environment and potential health effects. This study focuses on Lake Bolmen, one of southern Sweden’s most important sources of drinking water, and investigates how PFAS enter and accumulate in the lake. A total of 23 PFAS compound
The Swedish forest is subject to significant pressure from the forestry industry. As a consequence, biodiversity is negatively affected. Sustainability reporting serves as a means for consumers and stakeholders to gain insight into companies' sustainability ef- forts. Reporting on biodiversity is relatively new compared to climate reporting and poses greater challenges in terms of quantificati
The public sector is responsible for 28 percent of the average Swedish citizen’s consumption-based greenhouse gas emissions (GHGe). Looking at purchasing categories with the highest GHGe, consumables – products like paper and single use items – play a significant role. The first step in becoming more circular and reducing waste is often to completely refrain from purchases when possible. However,
In the context of the current climate crisis and a growing need for electricity, renewable energy plays an important role. Repowering means upgrading existing renewable energy production with new, more efficient technology to increase production in older sites. Wind-power technology has developed significantly in the last few years and upgrading wind parks in the most suitable locations is relevan
Introduction (3-5 pages) Kundanam Gayatri Attitudes of small farmers towards Bt cotton in Warangal, India. LUMES 2004-2005. Lund University International Master’s programme in Environmental Science Attitudes of small Farmers towards Bt cotton in Warangal, India. Thesis submitted in partial fulfillment for the Award of a Master’s in science degree in Environmental Science at Lund University, Lund,
https://www.lumes.lu.se/sites/lumes.lu.se/files/kundanam_gayatri.pdf - 2026-06-27
