Schematic set-up of the Arctic Ocean 2018 expedition on board the icebreaker Oden. Picture: Paul Zieger

Connecting the sea to the sky: an ice-drift expedition in the high Arctic during summer 2018

How important is marine microbiology to clouds in the summertime high Arctic and how important is this connection for climate in the region? This is a key focus of a two month research expedition that will take place in the high Arctic this summer. The planning for such an expedition takes years and the ACES researchers who are participating are …

Plastic litter in the environment has accumulated in the global ocean. Photo: Berit Gewert

Ocean plastics could be splintered into a soup of chemicals by sunlight

Plastic floating on the ocean is probably a constant source of chemical pollutants according to new research done at the Department of Environmental Science and Analytical Chemistry (ACES). By building a novel “weathering wheel” ACES researchers were able to rapidly age plastic and identify chemicals that will enter ocean water. The study opens the door to better characterize the risks …

Jana Johanssons doctoral thesis “Sources, transport and fate of perfluoroalkyl substances in the atmosphere” was awarded during a conference in Helsinki. Photo: Annika Hallman

Thesis about aerosols awarded as the best of 2017

Jana Johansson, postdoc at the Department of Environmental Science and Analytical Chemistry (ACES), has received the Early Career Scientists’ aerosologist award for the best thesis of 2017. Jana Johansson works within the field of contaminant chemistry and in her research she focuses on perfluorinated alkyl acids (PFAAs), chemicals that have been detected even in remote areas such as the Arctic, …

The cocktail effect means that chemical substances can exacerbate each other’s dangerous effects. Photo: Pedro Vásquez Colmenares Flickr cc

The Swedish government is investigating the cocktail effect of chemicals

The government has appointed Christina Rudén, Professor of Regulatory Toxicology and Ecotoxicology at the Department of Environmental Sciences and Analytical Chemistry (ACES), as a special investigator in an investigation, which will propose strategies for taking into account the cocktail effect in legislation regulating chemicals. The cocktail effect means that chemical substances can exacerbate each other’s dangerous effects and the government …

Illustration: Kerstin Winkens

Exposure to highly fluorinated chemicals peaks in early life

People are surrounded by thousands of chemicals in their everyday life, so are children. One of the chemical groups of concern are the so called highly fluorinated chemicals, PFASs. A recently defended doctoral thesis from Kerstin Winkens at ACES investigates children’s exposure to these chemicals and demonstrates that children are exposed to a wide range of PFASs through multiple pathways …

The article describes how passive dosing can be used to maintain stable exposure concentrations of the bacteriocide triclosan.

Article on how contaminants affect the environment selected as one of ET&C’s best papers of 2017

A method that helps maintain stable exposure concentrations of organic contaminants over several weeks. This is described in an article by researchers at ACES that has been selected as one of the Best Papers of 2017 in the scientific journal Environmental Toxicology and Chemistry. Using this method it is possible to perform studies on how contaminants like triclosan, previously used …

Illustration: Annika Jahnke

Article by ACES researchers selected as one of ES&T Letters best papers of 2017

The article “Reducing Uncertainty and Confronting Ignorance about the Possible Impacts of Weathering Plastic in the Marine Environment” has been selected as one of the Best Papers of 2017 at Environmental Science & Technology Letters. The paper is co-authored by Matthew MacLeod, Berit Gewert, Elena Gorokhova and Martin Ogonowski, all researchers at the Department of Environmental Science and Analytical Chemistry …

Large areas in the archipelago will be devoid of breeding common eiders. The mortality during the last years has been so high that the characteristic eider song no longer will be heard at many places. Photo: Lennart Balk

Thiamine deficiency in wild animals is a serious threat to biodiversity

The lack of thiamine in wild animals leads to reproductive disorders, declining populations, impaired health and behavioural changes. This is shown from studies at the Department of Environmental Sciences and Analytical Chemistry (ACES), which has been investigating the presence of thiamine deficiency since the 1990s. The research has been highlighted in the scientific journal Trends in Ecology & Evolution. In …

Environmental science at Stockholm University ranked 33 in the world

Ten subjects at Stockholm University are listed among the top 100 in the world in the “QS world university rankings by subject” for 2018. Environmental science is on place 33 in the influential ranking list. The subjects ranked among the top hundred worldwide were Linguistics (46), Environmental science (33), Geography (40), Anthropology (47), Social policy & Administration (24) and Sociology (45). …

Photo: Travis Olbrich/Flickr Creative Commons

To fly or not to fly – what should climate researchers do?

Can you keep on conducting research about climate change without flying? To encourage a change in travel habits among the research community, the Department of Environmental Sciences and Analytical Chemistry (ACES) has launched a project where employees document their own greenhouse gas emissions. The project started at the beginning of this year and is called ”Tracking Greenhouse Gas Emissions”. “It’s …

Photo: Lisa Bröder

What role do ocean margins play in the global carbon cycle?

By using the radiocarbon dating of land-plant molecules as a clock, an international research team led from the Department of Environmental Science and Analytical Chemistry at Stockholm University, has for the first time been able to assess the timescale for transport of organic carbon released from land across coastal seas. The approach has pinpointed transport time across the Siberian Arctic …

Det finns plats för 24 studenter i det nya masterprogrammet i miljö- och hälsoskydd som startar hösten 2018. Foto: Eva Dalin

Uppdrag: Att utbilda nya miljö- och hälsoskyddsinspektörer

Minska gapet mellan universitet och samhälle. Få studenterna att sätta in miljökunskaperna i ett större sammanhang. Fokusera på lösningar och inte bara på problem. Det är några av målen när ACES startar ett nytt masterprogram i miljö- och hälsoskydd hösten 2018. – Vi har märkt att det finns en stor efterfrågan på utbildade miljö- och hälsoinspektörer ute bland kommunerna i …

Contact information

Visiting addresses:

Geovetenskapens Hus,
Svante Arrhenius väg 8, Stockholm

Arrheniuslaboratoriet, Svante Arrhenius väg 16, Stockholm (Unit for Toxicological Chemistry)

Mailing address:
Department of Environmental Science
Stockholm University
106 91 Stockholm

Press enquiries should be directed to:

Stella Papadopoulou
Science Communicator
Phone +46 (0)8 674 70 11