Master's Programme in Environmental Science - Environmental Toxicology and Chemistry
The Master’s Programme in Environmental Science focusing on Environmental Toxicology and Chemistry traces the path of a contaminant from its creation to its far-reaching effects on the environment. With the tools, methods and critical thinking skills you acquire, you will be equipped to examine the issues and make an impact.

How does human activity like industrial manufacturing, transportation and use of consumer goods release chemicals into the environment? How do the physical and chemical properties of these contaminants, as well as environmental factors, affect how they spread through air, water, soil and how they bioaccumulate in food webs?
To answer these questions, you will learn the theory and application of chemical analysis, physical-chemical modelling, toxicology and risk assessment of environmental contaminants. You will learn how to take samples and analyse trace quantities of chemicals from various environments. By studying toxicology, you will learn how exposure to contaminants can negatively impact living organisms through mechanisms-of-action in addition to learning about new tools in toxicology research.
In addition to introducing you to the toolbox of environmental toxicology, this programme also introduces you to European and international regulatory systems designed to keep human and environmental exposures to a minimum. With a deep understanding of environmental toxicology and chemistry, you will be able to critically examine and discuss limitations, uncertainties and possible sources of error in regulatory risk assessments of organic chemicals.
A Master’s Programme in Environmental Science focussing on Environmental Toxicology and Chemistry from Stockholm University prepares you for a stimulating career in environmental management and consulting in private or governmental sectors or for a successful Ph.D. education and research career, anywhere in the world. Environmental Scientists are needed in numerous sectors of society, for example as environmental or sustainability specialists in the private sector and at Non-Governmental-Organisations (NGOs), as well as at government agencies.
The programme employs a variety of learning activities, including lectures, individual and group assignments, field excursions/sampling campaigns, laboratory work, seminars, discussions and workshops and presentations. The programme will also introduce students to several relevant agencies in society handling environmental issues.
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Programme overview
The programme is structured so that the first year consists of compulsory courses, while the second year is dedicated to a degree project of varying length (30, 45 or 60 credits), with the possibility of taking optional courses.
Year 1
Compulsory courses 60 credits
Autumn semester
Large-scale Challenges for the Environment and Climate, (MI7031) (7.5 credits)
Data Analysis: Tools for Environmental Scientists, (MI7032) (7.5 credits)
Pollution Dynamics (7.5 credits)
Contaminant Analysis (7.5 credits)
Spring semester
Toxicology for Environmental Scientists (7.5 credits)
Research Trends in Toxicology (7.5 credits)
Risk assessment and regulation of Chemicals (7.5 credits)
Environmental Field Studies (7.5 credits )
Year 2
Autumn semester
Degree project; choose between 60, 45 and 30 credits degree project:
* Degree project 60 credits or
* 15 credits optional courses + degree project 45 credits or
* 30 credits optional courses (+degree project 30 credits in spring semester)Suggested optional courses:
Climate Change Solutions (MI2006) (7.5 credits)
Decision-making and Environmental Risks (MI8025) (7.5 credits)
Air Quality - from emissions to impacts (MI7026) (7.5 credits)
Data Analysis and Model Evaluation Tools in Environmental and Climate Science (MI7025) (7,5 credits)Spring semester
Degree project 30 - 60 credits
Environmental Science, Degree Project (MI9006) (30 credits)
Environmental Science, Degree Project (MI9007) (45 credits)
Environmental Science, Degree Project (MI9008) (60 credits) -
How to apply
Apply online
Create an account and submit your online application via the central Swedish application site universityadmissions.se and pay the application fee/document fee exemption.
First admission round
The first admissions round is specifically for international studentsSecond admission round
The Second admission round is an alternative for students from EU/EEA countries as they do not need a residence permit. Non-EU/EEA students will most likely not have enough time to obtain their permit before the start of the semester.A successful admissions process depends a lot on meeting deadlines. Read more about imortant dates
Required supporting documentation
For the Master’s programmes in Environmental Science please attach a motivation letter.
You also need to provide documention of all of your previous higher education studies. This means you need to provide documentation of your completed degree(s), and transcripts with courses and grades.
You also need to show you meet the English requirement. Some applicants meet the requirement based on previous studies, while others demonstrate their English ability by submitting English test results.Much of what you need to submit – and how – is based on where you completed your studies. Read more on universityadmissions.se.
Selection process
Selection criteria:
Relevance of previous studies in relation to the programme and motivation letter
Reply to your admission offer!
First admission round:
You have to actively accept the seat you have been offered. To confirm that you wish to keep your place, send an email to admission@aces.su.se. If you don't do that by the deadline, you will lose the place that you've been offered.
Second admission round:
If you applied to the Second round, you must reply to your admissions offer at Universityadmissions.se by the deadline in second part of July.
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Meet us
Meet our teachers
Professor Ian Cousins
Professor Ian Cousins. Photo: Stockholm UniversityIan is one of the teachers on the Master's programme in Environmental Science. His research comprises a combination of experimental and modelling approaches to investigate the sources, transport, fate and exposure of contaminants. In recent years, much of his research has focused on per- and polyfluoroalkyl substances (PFAS).
Forever Chemicals - PFAS contamination in Europe far more widespread than previously reported – Q&A with Professor Ian Cousins on the findings of the Forever Pollution Project.
Read the article on our website: https://www.su.se/english/news/pfas-contamination-in-europe-far-more-widespread-than-previously-reported-1.648934Meet our alumni
Miranda Nilsson
For Miranda Nilsson, finding employment after her studies was a breeze. Her internship during the final year of her master's program in environmental science led to a permanent position as an environmental consultant once her thesis was completed. Read more about Miranda here
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