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Recent recommendations Most likely you should not take iodine tablets because of Fukushima nuclear accident Fish is healthy despite persistent pollutants in it Radon in indoor air is a major health problem. If living in certain areas, you should consider actions. See more recommendations Information about Opasnet Opasnet is a wiki-based website and workspace for helping societal decisions. The website collects, synthesises, and distributes people's values and scientific information. Opasnet welcomes anyone who wants to promote science-based decision-making in any field. The speciality is that the information is structured for both scientific scrutiny and for policy use at the same time. In practice, you can do original research, store data, make models, and perform policy assessments and discuss all of that work in one workspace. Originally, the developers of Opasnet came from the environmental health, i.e. a research field that studies the impacts of environment on human health. We are actively working, among other things, on climate change and air pollution, but you can also start a new assessment about a decision of your own interest, or participate in an existing assessment. Anyone can solve common problems. Opasnet is the web workspace for solving them by you, and by us together. Relevant topics What is improved by Opasnet and open assessment? Frequently asked questions about Opasnet Basic information about the workspace: Opasnet | Open assessment | Open Assessors' Network Presentations: Open assessment and metal risks | Open assessment Information about page protection Using Opasnet in an assessment project How can you participate? We can only help policy-making if a large group of people participate in the work. Find your own ways to contribute and act! Get acquainted: read a welcome page or about our method open assessment. Browse through the website and read about active assessments (see the list on the right). Collect specific information Get a user account for editing: Login and register (Please use your full name) Give comments about any page and any content. Be bold! (You need to be logged in) Provide original or modelled data into the Opasnet base, a free database. Create and edit Variables or whole Assessments or studies. Make a Peer review of a page. Become a Moderator of a page. Read about Opasnet technical policies

Portals Portal:Climate change Portal:Persistent pollutants Portal:Air pollution Portal:Open assessments Portal:Variables (science-based answers to any questions) Portal:Data (data about several topics for modelling) Current issues Decision analysis and risk management course (28 Feb - 12 Apr 2011) Opasnet wins WSA Finland award in e-Government & Institutions category Burden of disease by environmental stressors in Europe Burden of disease in Finland (Seturi) Active assessments Benefit-risk assessment of Baltic herring and salmon intake (2020-08-12 15:39:42) File:Use of risk assessment in the society.pptx (2019-12-11 17:39:58) Tendering process for pneumococcal conjugate vaccine (2019-12-11 16:25:59) Emission trade or carbon tax? (2019-12-07 05:14:10) Congestion charge (2019-07-03 08:12:39) Helsinki energy decision 2015 (2019-04-28 16:11:47) File:Use of risk assessment in the society.ppt (2019-02-01 06:56:28) Category:Causal diagram (2019-01-02 14:06:09) Carbon neutral Helsinki 2035 (2018-12-07 02:25:27) Cost-benefit assessment on composite traffic in Helsinki (2018-01-12 07:13:35) Assessment on the government program 2011 in Finland (in Finnish) Assessment on progressive value added tax (in Finnish) Information policy of a research institute (in Finnish) Nuclear energy in Finland (in Finnish) Show all